1213515140052 has 48 divisors (see below), whose sum is σ = 2835029829632. Its totient is φ = 404006006880.

The previous prime is 1213515140041. The next prime is 1213515140099. The reversal of 1213515140052 is 2500415153121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96434553 + ... + 96447135.

Almost surely, 2^{1213515140052} is an apocalyptic number.

1213515140052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213515140052 is an abundant number, since it is smaller than the sum of its proper divisors (1621514689580).

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

1213515140052 is a wasteful number, since it uses less digits than its factorization.

1213515140052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21868 (or 21866 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 1213515140052 in words is "one trillion, two hundred thirteen billion, five hundred fifteen million, one hundred forty thousand, fifty-two".