1216280177006 has 32 divisors (see below), whose sum is σ = 1860866472960. Its totient is φ = 596125980000.

The previous prime is 1216280176999. The next prime is 1216280177081. The reversal of 1216280177006 is 6007710826121.

It is a super-2 number, since 2×1216280177006² (a number of 25 digits) contains 22 as substring.

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, 17483111 + ... + 17552541.

It is an arithmetic number, because the mean of its divisors is an integer number (58152077280).

Almost surely, 2^{1216280177006} is an apocalyptic number.

1216280177006 is a deficient number, since it is larger than the sum of its proper divisors (644586295954).

1216280177006 is a wasteful number, since it uses less digits than its factorization.

1216280177006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70400.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 1216280177006 in words is "one trillion, two hundred sixteen billion, two hundred eighty million, one hundred seventy-seven thousand, six".