1216245435202 has 32 divisors (see below), whose sum is σ = 2112614622720. Its totient is φ = 514350120960.

The previous prime is 1216245435191. The next prime is 1216245435203. The reversal of 1216245435202 is 2025345426121.

It is not an unprimeable number, because it can be changed into a prime (1216245435203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583938 + ... + 2222914.

It is an arithmetic number, because the mean of its divisors is an integer number (66019206960).

Almost surely, 2^{1216245435202} is an apocalyptic number.

1216245435202 is a deficient number, since it is larger than the sum of its proper divisors (896369187518).

1216245435202 is a wasteful number, since it uses less digits than its factorization.

1216245435202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640786.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 1216245435202 in words is "one trillion, two hundred sixteen billion, two hundred forty-five million, four hundred thirty-five thousand, two hundred two".