1213310252132 has 24 divisors (see below), whose sum is σ = 2319363420192. Its totient is φ = 550779934400.

The previous prime is 1213310252131. The next prime is 1213310252159. The reversal of 1213310252132 is 2312520133121.

It is not an unprimeable number, because it can be changed into a prime (1213310252131) 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, 18084278 + ... + 18151245.

It is an arithmetic number, because the mean of its divisors is an integer number (96640142508).

Almost surely, 2^{1213310252132} is an apocalyptic number.

It is an amenable number.

1213310252132 is a deficient number, since it is larger than the sum of its proper divisors (1106053168060).

1213310252132 is a wasteful number, since it uses less digits than its factorization.

1213310252132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36236299 (or 36236297 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1213310252132 its reverse (2312520133121), we get a palindrome (3525830385253).

The spelling of 1213310252132 in words is "one trillion, two hundred thirteen billion, three hundred ten million, two hundred fifty-two thousand, one hundred thirty-two".