1213325502 has 32 divisors (see below), whose sum is σ = 2513008800. Its totient is φ = 390299520.

The previous prime is 1213325489. The next prime is 1213325557. The reversal of 1213325502 is 2055233121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11877 + ... + 50672.

It is an arithmetic number, because the mean of its divisors is an integer number (78531525).

Almost surely, 2^1213325502 is an apocalyptic number.

1213325502 is an abundant number, since it is smaller than the sum of its proper divisors (1299683298).

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

1213325502 is a wasteful number, since it uses less digits than its factorization.

1213325502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62668.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1213325502 is about 34832.8221940170. The cubic root of 1213325502 is about 1066.5775593315.

Adding to 1213325502 its reverse (2055233121), we get a palindrome (3268558623).

The spelling of 1213325502 in words is "one billion, two hundred thirteen million, three hundred twenty-five thousand, five hundred two".