1216748012802 has 48 divisors (see below), whose sum is σ = 2896634122272. Its totient is φ = 339557581440.

The previous prime is 1216748012797. The next prime is 1216748012803. The reversal of 1216748012802 is 2082108476121.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1216748012803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48110599 + ... + 48135882.

It is an arithmetic number, because the mean of its divisors is an integer number (60346544214).

Almost surely, 2^{1216748012802} is an apocalyptic number.

1216748012802 is an abundant number, since it is smaller than the sum of its proper divisors (1679886109470).

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

1216748012802 is a wasteful number, since it uses less digits than its factorization.

1216748012802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96246543 (or 96246536 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The spelling of 1216748012802 in words is "one trillion, two hundred sixteen billion, seven hundred forty-eight million, twelve thousand, eight hundred two".