121302111231030 has 32 divisors (see below), whose sum is σ = 291153662625888. Its totient is φ = 32344052364800.

The previous prime is 121302111230969. The next prime is 121302111231061. The reversal of 121302111231030 is 30132111203121.

It is a junction number, because it is equal to n+sod(n) for n = 121302111230988 and 121302111231006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198270531 + ... + 198881390.

It is an arithmetic number, because the mean of its divisors is an integer number (9098551957059).

Almost surely, 2^{121302111231030} is an apocalyptic number.

121302111231030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121302111231030 is an abundant number, since it is smaller than the sum of its proper divisors (169851551394858).

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

121302111231030 is a wasteful number, since it uses less digits than its factorization.

121302111231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397162112.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121302111231030 its reverse (30132111203121), we get a palindrome (151434222434151).

The spelling of 121302111231030 in words is "one hundred twenty-one trillion, three hundred two billion, one hundred eleven million, two hundred thirty-one thousand, thirty".