121302212100102 has 48 divisors (see below), whose sum is σ = 296293741233840. Its totient is φ = 36758246088960.

The previous prime is 121302212100031. The next prime is 121302212100191. The reversal of 121302212100102 is 201001212203121.

121302212100102 is a `hidden beast` number, since 1 + 2 + 130 + 221 + 210 + 0 + 102 = 666.

It is a super-2 number, since 2×121302212100102² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9282378843 + ... + 9282391910.

It is an arithmetic number, because the mean of its divisors is an integer number (6172786275705).

Almost surely, 2^{121302212100102} is an apocalyptic number.

121302212100102 is an abundant number, since it is smaller than the sum of its proper divisors (174991529133738).

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

121302212100102 is a wasteful number, since it uses less digits than its factorization.

121302212100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18564770786 (or 18564770769 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121302212100102 its reverse (201001212203121), we get a palindrome (322303424303223).

The spelling of 121302212100102 in words is "one hundred twenty-one trillion, three hundred two billion, two hundred twelve million, one hundred thousand, one hundred two".