122121030320 has 40 divisors (see below), whose sum is σ = 284572406736. Its totient is φ = 48738130688.

The previous prime is 122121030307. The next prime is 122121030329. The reversal of 122121030320 is 23030121221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×122121030320³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (122121030329) 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, 1687487 + ... + 1758366.

Almost surely, 2^122121030320 is an apocalyptic number.

122121030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122121030320 is an abundant number, since it is smaller than the sum of its proper divisors (162451376416).

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

122121030320 is a wasteful number, since it uses less digits than its factorization.

122121030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446309 (or 3446303 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 122121030320 its reverse (23030121221), we get a palindrome (145151151541).

Subtracting from 122121030320 its reverse (23030121221), we obtain a palindrome (99090909099).

The spelling of 122121030320 in words is "one hundred twenty-two billion, one hundred twenty-one million, thirty thousand, three hundred twenty".