1210013112 has 128 divisors (see below), whose sum is σ = 3781416960. Its totient is φ = 313461120.

The previous prime is 1210013087. The next prime is 1210013137. The reversal of 1210013112 is 2113100121.

It is an interprime number because it is at equal distance from previous prime (1210013087) and next prime (1210013137).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1039843 + ... + 1041005.

It is an arithmetic number, because the mean of its divisors is an integer number (29542320).

Almost surely, 2^1210013112 is an apocalyptic number.

1210013112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210013112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1890708480).

1210013112 is an abundant number, since it is smaller than the sum of its proper divisors (2571403848).

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

1210013112 is a wasteful number, since it uses less digits than its factorization.

1210013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753 (or 1749 counting only the distinct ones).

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

The square root of 1210013112 is about 34785.2427330901. The cubic root of 1210013112 is about 1065.6060858372.

Adding to 1210013112 its reverse (2113100121), we get a palindrome (3323113233).

The spelling of 1210013112 in words is "one billion, two hundred ten million, thirteen thousand, one hundred twelve".