122021011012120 has 64 divisors (see below), whose sum is σ = 299508138928800. Its totient is φ = 44370977326080.

The previous prime is 122021011012097. The next prime is 122021011012139. The reversal of 122021011012120 is 21210110120221.

It is a junction number, because it is equal to n+sod(n) for n = 122021011012094 and 122021011012103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70543852 + ... + 72252868.

Almost surely, 2^{122021011012120} is an apocalyptic number.

122021011012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122021011012120 is an abundant number, since it is smaller than the sum of its proper divisors (177487127916680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122021011012120 is a wasteful number, since it uses less digits than its factorization.

122021011012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871308 (or 1871304 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122021011012120 its reverse (21210110120221), we get a palindrome (143231121132341).

The spelling of 122021011012120 in words is "one hundred twenty-two trillion, twenty-one billion, eleven million, twelve thousand, one hundred twenty".