1216634060100 has 36 divisors (see below), whose sum is σ = 3520127881424. Its totient is φ = 324435749280.

The previous prime is 1216634060027. The next prime is 1216634060113. The reversal of 1216634060100 is 10604366121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2027723134 + ... + 2027723733.

Almost surely, 2^{1216634060100} is an apocalyptic number.

1216634060100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1216634060100 is an abundant number, since it is smaller than the sum of its proper divisors (2303493821324).

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

1216634060100 is a wasteful number, since it uses less digits than its factorization.

1216634060100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055446884 (or 4055446877 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 1216634060100 in words is "one trillion, two hundred sixteen billion, six hundred thirty-four million, sixty thousand, one hundred".