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10121220132 = 2233127207581
BaseRepresentation
bin10010110110100010…
…11001000000100100
3222010100212020212220
421123101121000210
5131212013021012
64352152512340
7505545644262
oct113321310044
928110766786
1010121220132
11432418a541
121b656ab6b0
13c53b5086a
146c02b9432
153e385508c
hex25b459024

10121220132 has 24 divisors (see below), whose sum is σ = 24377993472. Its totient is φ = 3264909600.

The previous prime is 10121220097. The next prime is 10121220133. The reversal of 10121220132 is 23102212101.

It is not an unprimeable number, because it can be changed into a prime (10121220133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13603419 + ... + 13604162.

It is an arithmetic number, because the mean of its divisors is an integer number (1015749728).

Almost surely, 210121220132 is an apocalyptic number.

10121220132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10121220132 is an abundant number, since it is smaller than the sum of its proper divisors (14256773340).

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

10121220132 is a wasteful number, since it uses less digits than its factorization.

10121220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27207619 (or 27207617 counting only the distinct ones).

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

Adding to 10121220132 its reverse (23102212101), we get a palindrome (33223432233).

The spelling of 10121220132 in words is "ten billion, one hundred twenty-one million, two hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 27207581 54415162 81622743 108830324 163245486 326490972 843435011 1686870022 2530305033 3373740044 5060610066 10121220132