10112211012 has 24 divisors (see below), whose sum is σ = 23753520000. Its totient is φ = 3348114016.

The previous prime is 10112210987. The next prime is 10112211019. The reversal of 10112211012 is 21011221101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (10112211019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2826012 + ... + 2829587.

It is an arithmetic number, because the mean of its divisors is an integer number (989730000).

Almost surely, 2^10112211012 is an apocalyptic number.

10112211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10112211012 is an abundant number, since it is smaller than the sum of its proper divisors (13641308988).

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

10112211012 is a wasteful number, since it uses less digits than its factorization.

10112211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5655755 (or 5655753 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10112211012 its reverse (21011221101), we get a palindrome (31123432113).

It can be divided in two parts, 1011221101 and 2, that multiplied together give a palindrome (2022442202).

The spelling of 10112211012 in words is "ten billion, one hundred twelve million, two hundred eleven thousand, twelve".