10023111012 has 12 divisors (see below), whose sum is σ = 23387259056. Its totient is φ = 3341037000.

The previous prime is 10023111001. The next prime is 10023111029. The reversal of 10023111012 is 21011132001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 835259251 = 10023111012 / (1 + 0 + 0 + 2 + 3 + 1 + 1 + 1 + 0 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417629614 + ... + 417629637.

Almost surely, 2^10023111012 is an apocalyptic number.

10023111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10023111012 is an abundant number, since it is smaller than the sum of its proper divisors (13364148044).

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

10023111012 is a wasteful number, since it uses less digits than its factorization.

10023111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835259258 (or 835259256 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 10023111012 its reverse (21011132001), we get a palindrome (31034243013).

The spelling of 10023111012 in words is "ten billion, twenty-three million, one hundred eleven thousand, twelve".