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1210112110012 = 221323271386731
BaseRepresentation
bin10001100111000000010…
…011010110110110111100
311021200111210102112010111
4101213000103112312330
5124311302200010022
62323530130115404
7153266464135231
oct21470023266674
94250453375114
101210112110012
11427229814003
1217664011bb64
138a161598a60
14427d9511788
1521727841477
hex119c04d6dbc

1210112110012 has 12 divisors (see below), whose sum is σ = 2280595899736. Its totient is φ = 558513281520.

The previous prime is 1210112110003. The next prime is 1210112110019. The reversal of 1210112110012 is 2100112110121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1210112109974 and 1210112110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210112110019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11635693314 + ... + 11635693417.

Almost surely, 21210112110012 is an apocalyptic number.

It is an amenable number.

1210112110012 is a deficient number, since it is larger than the sum of its proper divisors (1070483789724).

1210112110012 is a wasteful number, since it uses less digits than its factorization.

1210112110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23271386748 (or 23271386746 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1210112110012 its reverse (2100112110121), we get a palindrome (3310224220133).

The spelling of 1210112110012 in words is "one trillion, two hundred ten billion, one hundred twelve million, one hundred ten thousand, twelve".

Divisors: 1 2 4 13 26 52 23271386731 46542773462 93085546924 302528027503 605056055006 1210112110012