122142444430420 has 96 divisors (see below), whose sum is σ = 259611723939456. Its totient is φ = 48268122739200.

The previous prime is 122142444430403. The next prime is 122142444430427. The reversal of 122142444430420 is 24034444241221.

It is a self number, because there is not a number n which added to its sum of digits gives 122142444430420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122142444430427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 676363059 + ... + 676543621.

It is an arithmetic number, because the mean of its divisors is an integer number (2704288791036).

Almost surely, 2^{122142444430420} is an apocalyptic number.

122142444430420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122142444430420 is an abundant number, since it is smaller than the sum of its proper divisors (137469279509036).

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

122142444430420 is a wasteful number, since it uses less digits than its factorization.

122142444430420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181961 (or 181959 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 122142444430420 its reverse (24034444241221), we get a palindrome (146176888671641).

The spelling of 122142444430420 in words is "one hundred twenty-two trillion, one hundred forty-two billion, four hundred forty-four million, four hundred thirty thousand, four hundred twenty".