121346099523 has 48 divisors (see below), whose sum is σ = 201435062400. Its totient is φ = 69617283840.

The previous prime is 121346099521. The next prime is 121346099543. The reversal of 121346099523 is 325990643121.

121346099523 is a `hidden beast` number, since 1 + 2 + 1 + 34 + 6 + 0 + 99 + 523 = 666.

It is not a de Polignac number, because 121346099523 - 2¹ = 121346099521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121346099521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2414788 + ... + 2464526.

It is an arithmetic number, because the mean of its divisors is an integer number (4196563800).

Almost surely, 2^121346099523 is an apocalyptic number.

121346099523 is a deficient number, since it is larger than the sum of its proper divisors (80088962877).

121346099523 is a wasteful number, since it uses less digits than its factorization.

121346099523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51072 (or 51069 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 121346099523 in words is "one hundred twenty-one billion, three hundred forty-six million, ninety-nine thousand, five hundred twenty-three".