102012121220102 has 16 divisors (see below), whose sum is σ = 154009763281392. Its totient is φ = 50675604950880.

The previous prime is 102012121220069. The next prime is 102012121220123. The reversal of 102012121220102 is 201022121210201.

It is a super-2 number, since 2×102012121220102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 15013613 + ... + 20722760.

It is an arithmetic number, because the mean of its divisors is an integer number (9625610205087).

Almost surely, 2^{102012121220102} is an apocalyptic number.

102012121220102 is a deficient number, since it is larger than the sum of its proper divisors (51997642061290).

102012121220102 is a wasteful number, since it uses less digits than its factorization.

102012121220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35745623.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102012121220102 its reverse (201022121210201), we get a palindrome (303034242430303).

Subtracting 102012121220102 from its reverse (201022121210201), we obtain a palindrome (99009999990099).

The spelling of 102012121220102 in words is "one hundred two trillion, twelve billion, one hundred twenty-one million, two hundred twenty thousand, one hundred two".