1232112210 has 64 divisors (see below), whose sum is σ = 3470867712. Its totient is φ = 274012416.

The previous prime is 1232112187. The next prime is 1232112251. The reversal of 1232112210 is 122112321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1232112210.

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, 71517 + ... + 87056.

It is an arithmetic number, because the mean of its divisors is an integer number (54232308).

Almost surely, 2^1232112210 is an apocalyptic number.

1232112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232112210 is an abundant number, since it is smaller than the sum of its proper divisors (2238755502).

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

1232112210 is a wasteful number, since it uses less digits than its factorization.

1232112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158627.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1232112210 is about 35101.4559527094. The cubic root of 1232112210 is about 1072.0542276209.

Adding to 1232112210 its reverse (122112321), we get a palindrome (1354224531).

It can be divided in two parts, 12321 and 12210, that added together give a triangular number (24531 = T₂₂₁).

The spelling of 1232112210 in words is "one billion, two hundred thirty-two million, one hundred twelve thousand, two hundred ten".