122142421402442 has 16 divisors (see below), whose sum is σ = 209387337564480. Its totient is φ = 52346669668128.

The previous prime is 122142421402423. The next prime is 122142421402493. The reversal of 122142421402442 is 244204124241221.

It is a super-2 number, since 2×122142421402442² (a number of 29 digits) contains 22 as substring.

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, 2823833 + ... + 15882659.

It is an arithmetic number, because the mean of its divisors is an integer number (13086708597780).

Almost surely, 2^{122142421402442} is an apocalyptic number.

122142421402442 is a deficient number, since it is larger than the sum of its proper divisors (87244916162038).

122142421402442 is a wasteful number, since it uses less digits than its factorization.

122142421402442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13726925.

The product of its (nonzero) digits is 65536, while the sum is 35.

Adding to 122142421402442 its reverse (244204124241221), we get a palindrome (366346545643663).

The spelling of 122142421402442 in words is "one hundred twenty-two trillion, one hundred forty-two billion, four hundred twenty-one million, four hundred two thousand, four hundred forty-two".