1220100210976 has 12 divisors (see below), whose sum is σ = 2402072290422. Its totient is φ = 610050105472.

The previous prime is 1220100210913. The next prime is 1220100210977. The reversal of 1220100210976 is 6790120010221.

It can be written as a sum of positive squares in only one way, i.e., 1215859075600 + 4241135376 = 1102660^2 + 65124^2 .

It is not an unprimeable number, because it can be changed into a prime (1220100210977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19064065765 + ... + 19064065828.

Almost surely, 2^{1220100210976} is an apocalyptic number.

1220100210976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1220100210976 is a deficient number, since it is larger than the sum of its proper divisors (1181972079446).

1220100210976 is an equidigital number, since it uses as much as digits as its factorization.

1220100210976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38128131603 (or 38128131595 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 1220100210976 in words is "one trillion, two hundred twenty billion, one hundred million, two hundred ten thousand, nine hundred seventy-six".