121402304211230 has 64 divisors (see below), whose sum is σ = 255853627223040. Its totient is φ = 40605185644800.

The previous prime is 121402304211127. The next prime is 121402304211283. The reversal of 121402304211230 is 32112403204121.

It is a happy number.

It is a super-2 number, since 2×121402304211230² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121402304211230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34300175 + ... + 37673685.

It is an arithmetic number, because the mean of its divisors is an integer number (3997712925360).

Almost surely, 2^{121402304211230} is an apocalyptic number.

121402304211230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121402304211230 is an abundant number, since it is smaller than the sum of its proper divisors (134451323011810).

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

121402304211230 is a wasteful number, since it uses less digits than its factorization.

121402304211230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386105.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 121402304211230 its reverse (32112403204121), we get a palindrome (153514707415351).

The spelling of 121402304211230 in words is "one hundred twenty-one trillion, four hundred two billion, three hundred four million, two hundred eleven thousand, two hundred thirty".