1213121230132 has 24 divisors (see below), whose sum is σ = 2427636149120. Its totient is φ = 519610451040.

The previous prime is 1213121230129. The next prime is 1213121230157. The reversal of 1213121230132 is 2310321213121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12394032 + ... + 12491527.

Almost surely, 2^{1213121230132} is an apocalyptic number.

It is an amenable number.

1213121230132 is an abundant number, since it is smaller than the sum of its proper divisors (1214514918988).

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

1213121230132 is a wasteful number, since it uses less digits than its factorization.

1213121230132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24887311 (or 24887309 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1213121230132 its reverse (2310321213121), we get a palindrome (3523442443253).

The spelling of 1213121230132 in words is "one trillion, two hundred thirteen billion, one hundred twenty-one million, two hundred thirty thousand, one hundred thirty-two".