121231031300130 has 32 divisors (see below), whose sum is σ = 290956756587264. Its totient is φ = 32328021517056.

The previous prime is 121231031300077. The next prime is 121231031300179. The reversal of 121231031300130 is 31003130132121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121231031300097 and 121231031300106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11938087 + ... + 19620906.

It is an arithmetic number, because the mean of its divisors is an integer number (9092398643352).

Almost surely, 2^{121231031300130} is an apocalyptic number.

121231031300130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121231031300130 is an abundant number, since it is smaller than the sum of its proper divisors (169725725287134).

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

121231031300130 is a wasteful number, since it uses less digits than its factorization.

121231031300130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31687050.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121231031300130 its reverse (31003130132121), we get a palindrome (152234161432251).

The spelling of 121231031300130 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, thirty-one million, three hundred thousand, one hundred thirty".