121438680886084 has 27 divisors (see below), whose sum is σ = 212836329723927. Its totient is φ = 60628437106464.

The previous prime is 121438680886067. The next prime is 121438680886109. The reversal of 121438680886084 is 480688086834121.

The square root of 121438680886084 is 11019922.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 102821181846084 + 18617499040000 = 10140078^2 + 4314800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16155201894 + ... + 16155209410.

Almost surely, 2^{121438680886084} is an apocalyptic number.

121438680886084 is the 11019922-nd square number.

It is an amenable number.

121438680886084 is a deficient number, since it is larger than the sum of its proper divisors (91397648837843).

121438680886084 is an frugal number, since it uses more digits than its factorization.

121438680886084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16504 (or 8252 counting only the distinct ones).

The product of its (nonzero) digits is 113246208, while the sum is 67.

The spelling of 121438680886084 in words is "one hundred twenty-one trillion, four hundred thirty-eight billion, six hundred eighty million, eight hundred eighty-six thousand, eighty-four".