102220121220012 has 24 divisors (see below), whose sum is σ = 265015129089200. Its totient is φ = 34073373739968.

The previous prime is 102220121219987. The next prime is 102220121220043. The reversal of 102220121220012 is 210022121022201.

It is a happy number.

102220121220012 is a `hidden beast` number, since 102 + 220 + 121 + 220 + 0 + 1 + 2 = 666.

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

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, 473241301837 + ... + 473241302052.

Almost surely, 2^{102220121220012} is an apocalyptic number.

102220121220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102220121220012 is an abundant number, since it is smaller than the sum of its proper divisors (162795007869188).

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

102220121220012 is a wasteful number, since it uses less digits than its factorization.

102220121220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946482603902 (or 946482603894 counting only the distinct ones).

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

Adding to 102220121220012 its reverse (210022121022201), we get a palindrome (312242242242213).

The spelling of 102220121220012 in words is "one hundred two trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty thousand, twelve".