121002023010204 has 144 divisors (see below), whose sum is σ = 361623997163520. Its totient is φ = 33379060176000.

The previous prime is 121002023010181. The next prime is 121002023010263. The reversal of 121002023010204 is 402010320200121.

It is a happy number.

121002023010204 is a `hidden beast` number, since 1 + 210 + 0 + 20 + 230 + 1 + 0 + 204 = 666.

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 47 ways as a sum of consecutive naturals, for example, 341479227 + ... + 341833389.

It is an arithmetic number, because the mean of its divisors is an integer number (2511277758080).

Almost surely, 2^{121002023010204} is an apocalyptic number.

121002023010204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121002023010204 is an abundant number, since it is smaller than the sum of its proper divisors (240621974153316).

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

121002023010204 is a wasteful number, since it uses less digits than its factorization.

121002023010204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400960 (or 400955 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121002023010204 its reverse (402010320200121), we get a palindrome (523012343210325).

The spelling of 121002023010204 in words is "one hundred twenty-one trillion, two billion, twenty-three million, ten thousand, two hundred four".