102022201212012 has 18 divisors (see below), whose sum is σ = 257889453063788. Its totient is φ = 34007400403992.

The previous prime is 102022201212011. The next prime is 102022201212013. The reversal of 102022201212012 is 210212102220201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102022201212011) and next prime (102022201212013).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102022201212011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1416975016798 + ... + 1416975016869.

Almost surely, 2^{102022201212012} is an apocalyptic number.

102022201212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102022201212012 is an abundant number, since it is smaller than the sum of its proper divisors (155867251851776).

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

102022201212012 is a wasteful number, since it uses less digits than its factorization.

102022201212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833950033677 (or 2833950033672 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102022201212012 its reverse (210212102220201), we get a palindrome (312234303432213).

The spelling of 102022201212012 in words is "one hundred two trillion, twenty-two billion, two hundred one million, two hundred twelve thousand, twelve".