122340021450432 has 56 divisors (see below), whose sum is σ = 323908113478896. Its totient is φ = 40752692917248.

The previous prime is 122340021450377. The next prime is 122340021450461. The reversal of 122340021450432 is 234054120043221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122340021450393 and 122340021450402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213105043 + ... + 213678354.

Almost surely, 2^{122340021450432} is an apocalyptic number.

122340021450432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122340021450432 is an abundant number, since it is smaller than the sum of its proper divisors (201568092028464).

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

122340021450432 is a wasteful number, since it uses less digits than its factorization.

122340021450432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426784905 (or 426784895 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 122340021450432 its reverse (234054120043221), we get a palindrome (356394141493653).

The spelling of 122340021450432 in words is "one hundred twenty-two trillion, three hundred forty billion, twenty-one million, four hundred fifty thousand, four hundred thirty-two".