102220101012 has 12 divisors (see below), whose sum is σ = 238513569056. Its totient is φ = 34073367000.

The previous prime is 102220100999. The next prime is 102220101017. The reversal of 102220101012 is 210101022201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 8518341751 = 102220101012 / (1 + 0 + 2 + 2 + 2 + 0 + 1 + 0 + 1 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220101017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4259170864 + ... + 4259170887.

Almost surely, 2^102220101012 is an apocalyptic number.

102220101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102220101012 is an abundant number, since it is smaller than the sum of its proper divisors (136293468044).

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

102220101012 is a wasteful number, since it uses less digits than its factorization.

102220101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8518341758 (or 8518341756 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102220101012 its reverse (210101022201), we get a palindrome (312321123213).

The spelling of 102220101012 in words is "one hundred two billion, two hundred twenty million, one hundred one thousand, twelve".