122231121402 has 64 divisors (see below), whose sum is σ = 265159028736. Its totient is φ = 37339906560.

The previous prime is 122231121401. The next prime is 122231121437. The reversal of 122231121402 is 204121132221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122231121401) 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, 10262983 + ... + 10274885.

It is an arithmetic number, because the mean of its divisors is an integer number (4143109824).

Almost surely, 2^122231121402 is an apocalyptic number.

122231121402 is an abundant number, since it is smaller than the sum of its proper divisors (142927907334).

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

122231121402 is a wasteful number, since it uses less digits than its factorization.

122231121402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12855.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 122231121402 its reverse (204121132221), we get a palindrome (326352253623).

The spelling of 122231121402 in words is "one hundred twenty-two billion, two hundred thirty-one million, one hundred twenty-one thousand, four hundred two".