10231111031212 has 6 divisors (see below), whose sum is σ = 17904444304628. Its totient is φ = 5115555515604.

The previous prime is 10231111031201. The next prime is 10231111031243. The reversal of 10231111031212 is 21213011113201.

It is a self number, because there is not a number n which added to its sum of digits gives 10231111031212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278888878898 + ... + 1278888878905.

Almost surely, 2^{10231111031212} is an apocalyptic number.

It is an amenable number.

10231111031212 is a deficient number, since it is larger than the sum of its proper divisors (7673333273416).

10231111031212 is a wasteful number, since it uses less digits than its factorization.

10231111031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557777757807 (or 2557777757805 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 10231111031212 its reverse (21213011113201), we get a palindrome (31444122144413).

The spelling of 10231111031212 in words is "ten trillion, two hundred thirty-one billion, one hundred eleven million, thirty-one thousand, two hundred twelve".