121692519130 has 256 divisors, whose sum is σ = 283031884800. Its totient is φ = 36657930240.

The previous prime is 121692519121. The next prime is 121692519133. The reversal of 121692519130 is 31915296121.

It is not an unprimeable number, because it can be changed into a prime (121692519133) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 239081316 + ... + 239081824.

It is an arithmetic number, because the mean of its divisors is an integer number (1105593300).

Almost surely, 2^121692519130 is an apocalyptic number.

121692519130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121692519130 is an abundant number, since it is smaller than the sum of its proper divisors (161339365670).

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

121692519130 is a wasteful number, since it uses less digits than its factorization.

121692519130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 121692519130 in words is "one hundred twenty-one billion, six hundred ninety-two million, five hundred nineteen thousand, one hundred thirty".