1220000220992 has 56 divisors (see below), whose sum is σ = 2781272202240. Its totient is φ = 520119728640.

The previous prime is 1220000220983. The next prime is 1220000221001. The reversal of 1220000220992 is 2990220000221.

It is an interprime number because it is at equal distance from previous prime (1220000220983) and next prime (1220000221001).

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7043267 + ... + 7214402.

It is an arithmetic number, because the mean of its divisors is an integer number (49665575040).

Almost surely, 2^{1220000220992} is an apocalyptic number.

It is an amenable number.

1220000220992 is an abundant number, since it is smaller than the sum of its proper divisors (1561271981248).

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

1220000220992 is a wasteful number, since it uses less digits than its factorization.

1220000220992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14257879 (or 14257869 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 1220000220992 in words is "one trillion, two hundred twenty billion, two hundred twenty thousand, nine hundred ninety-two".