1213002231232 has 56 divisors (see below), whose sum is σ = 2633313424752. Its totient is φ = 549802598400.

The previous prime is 1213002231197. The next prime is 1213002231241. The reversal of 1213002231232 is 2321322003121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2192019 + ... + 2689042.

Almost surely, 2^{1213002231232} is an apocalyptic number.

It is an amenable number.

1213002231232 is an abundant number, since it is smaller than the sum of its proper divisors (1420311193520).

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

1213002231232 is a wasteful number, since it uses less digits than its factorization.

1213002231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881437 (or 4881427 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1213002231232 its reverse (2321322003121), we get a palindrome (3534324234353).

It can be divided in two parts, 121300 and 2231232, that added together give a palindrome (2352532).

The spelling of 1213002231232 in words is "one trillion, two hundred thirteen billion, two million, two hundred thirty-one thousand, two hundred thirty-two".