122340021450431 has 8 divisors (see below), whose sum is σ = 125953145218560. Its totient is φ = 118761807091032.

The previous prime is 122340021450377. The next prime is 122340021450461. The reversal of 122340021450431 is 134054120043221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122340021450431 - 2³⁸ = 122065143543487 is a prime.

It is a super-2 number, since 2×122340021450431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122340021450461) 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, 8727345071 + ... + 8727359088.

It is an arithmetic number, because the mean of its divisors is an integer number (15744143152320).

Almost surely, 2^{122340021450431} is an apocalyptic number.

122340021450431 is a deficient number, since it is larger than the sum of its proper divisors (3613123768129).

122340021450431 is a wasteful number, since it uses less digits than its factorization.

122340021450431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17454704365.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 122340021450431 its reverse (134054120043221), we get a palindrome (256394141493652).

The spelling of 122340021450431 in words is "one hundred twenty-two trillion, three hundred forty billion, twenty-one million, four hundred fifty thousand, four hundred thirty-one".