1216074374000 has 80 divisors (see below), whose sum is σ = 2940709118880. Its totient is φ = 486389836800.

The previous prime is 1216074373981. The next prime is 1216074374023. The reversal of 1216074374000 is 4734706121.

It is a tau number, because it is divible by the number of its divisors (80).

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, 42323639 + ... + 42352361.

It is an arithmetic number, because the mean of its divisors is an integer number (36758863986).

Almost surely, 2^{1216074374000} is an apocalyptic number.

1216074374000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1216074374000 is an abundant number, since it is smaller than the sum of its proper divisors (1724634744880).

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

1216074374000 is a wasteful number, since it uses less digits than its factorization.

1216074374000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49915 (or 49899 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 1216074374000 in words is "one trillion, two hundred sixteen billion, seventy-four million, three hundred seventy-four thousand".