121054311014512 has 40 divisors (see below), whose sum is σ = 236669882783040. Its totient is φ = 59978445649920.

The previous prime is 121054311014473. The next prime is 121054311014513. The reversal of 121054311014512 is 215410113450121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121054311014513) 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, 1008564 + ... + 15592492.

It is an arithmetic number, because the mean of its divisors is an integer number (5916747069576).

Almost surely, 2^{121054311014512} is an apocalyptic number.

It is an amenable number.

121054311014512 is a deficient number, since it is larger than the sum of its proper divisors (115615571768528).

121054311014512 is a wasteful number, since it uses less digits than its factorization.

121054311014512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14588641 (or 14588635 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 121054311014512 its reverse (215410113450121), we get a palindrome (336464424464633).

The spelling of 121054311014512 in words is "one hundred twenty-one trillion, fifty-four billion, three hundred eleven million, fourteen thousand, five hundred twelve".