122133420402420 has 48 divisors (see below), whose sum is σ = 390826945289088. Its totient is φ = 27916210377600.

The previous prime is 122133420402401. The next prime is 122133420402431. The reversal of 122133420402420 is 24204024331221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145396928631 + ... + 145396929470.

It is an arithmetic number, because the mean of its divisors is an integer number (8142228026856).

Almost surely, 2^{122133420402420} is an apocalyptic number.

122133420402420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122133420402420 is an abundant number, since it is smaller than the sum of its proper divisors (268693524886668).

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

122133420402420 is a wasteful number, since it uses less digits than its factorization.

122133420402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290793858120 (or 290793858118 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 122133420402420 its reverse (24204024331221), we get a palindrome (146337444733641).

The spelling of 122133420402420 in words is "one hundred twenty-two trillion, one hundred thirty-three billion, four hundred twenty million, four hundred two thousand, four hundred twenty".