1213152654164 has 24 divisors (see below), whose sum is σ = 2378613806688. Its totient is φ = 536529428640.

The previous prime is 1213152654149. The next prime is 1213152654199. The reversal of 1213152654164 is 4614562513121.

It is a super-3 number, since 3×1213152654164³ (a number of 37 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 372588254 + ... + 372591509.

It is an arithmetic number, because the mean of its divisors is an integer number (99108908612).

Almost surely, 2^{1213152654164} is an apocalyptic number.

It is an amenable number.

1213152654164 is a deficient number, since it is larger than the sum of its proper divisors (1165461152524).

1213152654164 is a wasteful number, since it uses less digits than its factorization.

1213152654164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745179815 (or 745179813 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The spelling of 1213152654164 in words is "one trillion, two hundred thirteen billion, one hundred fifty-two million, six hundred fifty-four thousand, one hundred sixty-four".