122221213023120 has 40 divisors (see below), whose sum is σ = 378885760372416. Its totient is φ = 32592323472768.

The previous prime is 122221213023101. The next prime is 122221213023163. The reversal of 122221213023120 is 21320312122221.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254627526892 + ... + 254627527371.

Almost surely, 2^{122221213023120} is an apocalyptic number.

122221213023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122221213023120 is an abundant number, since it is smaller than the sum of its proper divisors (256664547349296).

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

122221213023120 is a wasteful number, since it uses less digits than its factorization.

122221213023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509255054279 (or 509255054273 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 122221213023120 its reverse (21320312122221), we get a palindrome (143541525145341).

The spelling of 122221213023120 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred thirteen million, twenty-three thousand, one hundred twenty".