121300430130012 has 48 divisors (see below), whose sum is σ = 323507451314432. Its totient is φ = 34653018862080.

The previous prime is 121300430130007. The next prime is 121300430130013. The reversal of 121300430130012 is 210031034003121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121300430130013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87787258 + ... + 89158305.

Almost surely, 2^{121300430130012} is an apocalyptic number.

121300430130012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121300430130012 is an abundant number, since it is smaller than the sum of its proper divisors (202207021184420).

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

121300430130012 is a wasteful number, since it uses less digits than its factorization.

121300430130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176953738 (or 176953736 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121300430130012 its reverse (210031034003121), we get a palindrome (331331464133133).

The spelling of 121300430130012 in words is "one hundred twenty-one trillion, three hundred billion, four hundred thirty million, one hundred thirty thousand, twelve".