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1012120232031 = 32523721473707
BaseRepresentation
bin11101011101001110001…
…00010010000001011111
310120202110101210000011200
432232213010102001133
5113040310234411111
62052543413050543
7133060166011326
oct16564704220137
93522411700150
101012120232031
11360268537687
121441a5026a53
137459a308a7c
1436db60010bd
151b4da836256
hexeba711205f

1012120232031 has 12 divisors (see below), whose sum is σ = 1462230672552. Its totient is φ = 674617947696.

The previous prime is 1012120232021. The next prime is 1012120232089. The reversal of 1012120232031 is 1302320212101.

1012120232031 is a `hidden beast` number, since 101 + 212 + 0 + 2 + 320 + 31 = 666.

1012120232031 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012120232031 - 25 = 1012120231999 is a prime.

It is a super-2 number, since 2×10121202320312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012120231995 and 1012120232013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012120232021) 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, 10689721 + ... + 10783986.

It is an arithmetic number, because the mean of its divisors is an integer number (121852556046).

Almost surely, 21012120232031 is an apocalyptic number.

1012120232031 is a deficient number, since it is larger than the sum of its proper divisors (450110440521).

1012120232031 is a wasteful number, since it uses less digits than its factorization.

1012120232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21478950 (or 21478947 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1012120232031 its reverse (1302320212101), we get a palindrome (2314440444132).

The spelling of 1012120232031 in words is "one trillion, twelve billion, one hundred twenty million, two hundred thirty-two thousand, thirty-one".

Divisors: 1 3 9 5237 15711 47133 21473707 64421121 193263363 112457803559 337373410677 1012120232031