1220012021096 has 24 divisors (see below), whose sum is σ = 2514384281010. Its totient is φ = 554550918240.

The previous prime is 1220012020991. The next prime is 1220012021099. The reversal of 1220012021096 is 6901202100221.

It can be written as a sum of positive squares in only one way, i.e., 740890562500 + 479121458596 = 860750^2 + 692186^2 .

It is not an unprimeable number, because it can be changed into a prime (1220012021099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 630170531 + ... + 630172466.

Almost surely, 2^{1220012021096} is an apocalyptic number.

It is an amenable number.

1220012021096 is an abundant number, since it is smaller than the sum of its proper divisors (1294372259914).

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

1220012021096 is a wasteful number, since it uses less digits than its factorization.

1220012021096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260343025 (or 1260343010 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 1220012021096 in words is "one trillion, two hundred twenty billion, twelve million, twenty-one thousand, ninety-six".