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10120012201 = 132112353323
BaseRepresentation
bin10010110110011001…
…10010000110101001
3222010021120212220201
421123030302012221
5131211210342301
64352110552201
7505532453515
oct113314620651
928107525821
1010120012201
114323534a52
121b65208661
13c53819b00
146c0083145
153e36b7201
hex25b3321a9

10120012201 has 12 divisors (see below), whose sum is σ = 10968320208. Its totient is φ = 9333056304.

The previous prime is 10120012157. The next prime is 10120012211. The reversal of 10120012201 is 10221002101.

It is not a de Polignac number, because 10120012201 - 27 = 10120012073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10120012211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163126 + ... + 216448.

It is an arithmetic number, because the mean of its divisors is an integer number (914026684).

Almost surely, 210120012201 is an apocalyptic number.

It is an amenable number.

10120012201 is a deficient number, since it is larger than the sum of its proper divisors (848308007).

10120012201 is a wasteful number, since it uses less digits than its factorization.

10120012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54472 (or 54459 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10120012201 its reverse (10221002101), we get a palindrome (20341014302).

The spelling of 10120012201 in words is "ten billion, one hundred twenty million, twelve thousand, two hundred one".

Divisors: 1 13 169 1123 14599 53323 189787 693199 9011587 59881729 778462477 10120012201