1012100232220 has 96 divisors (see below), whose sum is σ = 2703941452800. Its totient is φ = 315459789120.

The previous prime is 1012100232217. The next prime is 1012100232271. The reversal of 1012100232220 is 222320012101.

It is a happy number.

It is a super-2 number, since 2×1012100232220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012100232194 and 1012100232203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6630744 + ... + 6781663.

It is an arithmetic number, because the mean of its divisors is an integer number (28166056800).

Almost surely, 2^{1012100232220} is an apocalyptic number.

1012100232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012100232220 is an abundant number, since it is smaller than the sum of its proper divisors (1691841220580).

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

1012100232220 is a wasteful number, since it uses less digits than its factorization.

1012100232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13412448 (or 13412432 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1012100232220 its reverse (222320012101), we get a palindrome (1234420244321).

The spelling of 1012100232220 in words is "one trillion, twelve billion, one hundred million, two hundred thirty-two thousand, two hundred twenty".