121392268060538 has 16 divisors (see below), whose sum is σ = 186002710871040. Its totient is φ = 59391921207216.

The previous prime is 121392268060537. The next prime is 121392268060541. The reversal of 121392268060538 is 835060862293121.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121392268060537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138754181 + ... + 139626312.

It is an arithmetic number, because the mean of its divisors is an integer number (11625169429440).

Almost surely, 2^{121392268060538} is an apocalyptic number.

121392268060538 is a deficient number, since it is larger than the sum of its proper divisors (64610442810502).

121392268060538 is a wasteful number, since it uses less digits than its factorization.

121392268060538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278385181.

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 121392268060538 in words is "one hundred twenty-one trillion, three hundred ninety-two billion, two hundred sixty-eight million, sixty thousand, five hundred thirty-eight".