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12421214245404 = 2233149771887537
BaseRepresentation
bin1011010011000000101000…
…0100000001001000011100
31121222110022202222210121000
42310300022010001020130
53112002121321323104
642230121013110300
72421255161016336
oct264601204011034
947873282883530
1012421214245404
113a59897691818
121487393628390
136c1414147053
1430d293424456
15168186e86639
hexb4c0a10121c

12421214245404 has 48 divisors (see below), whose sum is σ = 32419276596000. Its totient is φ = 4112616791808.

The previous prime is 12421214245387. The next prime is 12421214245411. The reversal of 12421214245404 is 40454241212421.

12421214245404 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 1 + 2 + 1 + 4 + 245 + 404 = 666.

It is a super-2 number, since 2×124212142454042 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385927677 + ... + 385959860.

It is an arithmetic number, because the mean of its divisors is an integer number (675401595750).

Almost surely, 212421214245404 is an apocalyptic number.

It is an amenable number.

12421214245404 is an abundant number, since it is smaller than the sum of its proper divisors (19998062350596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12421214245404 is a wasteful number, since it uses less digits than its factorization.

12421214245404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771887699 (or 771887691 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 36.

Adding to 12421214245404 its reverse (40454241212421), we get a palindrome (52875455457825).

The spelling of 12421214245404 in words is "twelve trillion, four hundred twenty-one billion, two hundred fourteen million, two hundred forty-five thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 149 298 447 596 894 1341 1788 2682 4023 5364 8046 16092 771887537 1543775074 2315662611 3087550148 4631325222 6946987833 9262650444 13893975666 20840963499 27787951332 41681926998 83363853996 115011243013 230022486026 345033729039 460044972052 690067458078 1035101187117 1380134916156 2070202374234 3105303561351 4140404748468 6210607122702 12421214245404