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2000012000022 = 232353520960427
BaseRepresentation
bin11101000110101010000…
…000010011101100010110
321002012101021102111220100
4131012222000103230112
5230232011033000042
64130443130114530
7264332106334401
oct35065200235426
97065337374810
102000012000022
117012226a7663
12283747b7ba46
131167a5ba638a
146cb302d4d38
153705909d24c
hex1d1aa013b16

2000012000022 has 48 divisors (see below), whose sum is σ = 4346541323280. Its totient is φ = 664643460096.

The previous prime is 2000011999981. The next prime is 2000012000047. The reversal of 2000012000022 is 2200002100002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2000011999968 and 2000012000013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33067773 + ... + 33128199.

It is an arithmetic number, because the mean of its divisors is an integer number (90552944235).

Almost surely, 22000012000022 is an apocalyptic number.

2000012000022 is an abundant number, since it is smaller than the sum of its proper divisors (2346529323258).

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

2000012000022 is a wasteful number, since it uses less digits than its factorization.

2000012000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65997 (or 65994 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 2000012000022 its reverse (2200002100002), we get a palindrome (4200014100024).

The spelling of 2000012000022 in words is "two trillion, twelve million, twenty-two", and thus it is an aban number and an uban number.

Divisors: 1 2 3 6 9 18 353 706 1059 2118 3177 5209 6354 10418 15627 31254 46881 60427 93762 120854 181281 362562 543843 1087686 1838777 3677554 5516331 11032662 16548993 21330731 33097986 42661462 63992193 127984386 191976579 314764243 383953158 629528486 944292729 1888585458 2832878187 5665756374 111111777779 222223555558 333335333337 666670666674 1000006000011 2000012000022