121964892710 has 16 divisors (see below), whose sum is σ = 220521280896. Its totient is φ = 48567185088.

The previous prime is 121964892697. The next prime is 121964892727. The reversal of 121964892710 is 17298469121.

It is a happy number.

It is a super-2 number, since 2×121964892710² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27344159 + ... + 27348618.

It is an arithmetic number, because the mean of its divisors is an integer number (13782580056).

Almost surely, 2^121964892710 is an apocalyptic number.

121964892710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121964892710 is a deficient number, since it is larger than the sum of its proper divisors (98556388186).

121964892710 is a wasteful number, since it uses less digits than its factorization.

121964892710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54693007.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 121964892710 in words is "one hundred twenty-one billion, nine hundred sixty-four million, eight hundred ninety-two thousand, seven hundred ten".