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30212211012000 = 2535331673120677
BaseRepresentation
bin1101101111010010101000…
…00110101111000110100000
310221222020222221011010101020
412313221110012233012200
512424444102004341000
6144131144221405440
76235521516260253
oct667512406570640
9127866887133336
1030212211012000
119698a21538306
12347b3b4409880
1313b1ccb5345c4
147663c90d709a
15375d502a0ba0
hex1b7a541af1a0

30212211012000 has 384 divisors, whose sum is σ = 102320609384448. Its totient is φ = 7785050112000.

The previous prime is 30212211011963. The next prime is 30212211012001. The reversal of 30212211012000 is 21011221203.

It is a super-2 number, since 2×302122110120002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (30212211012001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 250295662 + ... + 250416338.

It is an arithmetic number, because the mean of its divisors is an integer number (266459920272).

Almost surely, 230212211012000 is an apocalyptic number.

30212211012000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30212211012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51160304692224).

30212211012000 is an abundant number, since it is smaller than the sum of its proper divisors (72108398372448).

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

30212211012000 is a wasteful number, since it uses less digits than its factorization.

30212211012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121409 (or 121391 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30212211012000 its reverse (21011221203), we get a palindrome (30233222233203).

The spelling of 30212211012000 in words is "thirty trillion, two hundred twelve billion, two hundred eleven million, twelve thousand".