1012102220 has 24 divisors (see below), whose sum is σ = 2177255808. Its totient is φ = 394966400.

The previous prime is 1012102219. The next prime is 1012102283. The reversal of 1012102220 is 222012101.

It is a happy number.

1012102220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 616316 + ... + 617955.

It is an arithmetic number, because the mean of its divisors is an integer number (90718992).

Almost surely, 2^1012102220 is an apocalyptic number.

1012102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012102220 is an abundant number, since it is smaller than the sum of its proper divisors (1165153588).

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

1012102220 is a wasteful number, since it uses less digits than its factorization.

1012102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234321 (or 1234319 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1012102220 is about 31813.5540296899. The cubic root of 1012102220 is about 1004.0179081265.

Adding to 1012102220 its reverse (222012101), we get a palindrome (1234114321).

The spelling of 1012102220 in words is "one billion, twelve million, one hundred two thousand, two hundred twenty".