122402144212 has 12 divisors (see below), whose sum is σ = 214336069920. Its totient is φ = 61163267096.

The previous prime is 122402144209. The next prime is 122402144213. The reversal of 122402144212 is 212441204221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122402144213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9443968 + ... + 9456919.

It is an arithmetic number, because the mean of its divisors is an integer number (17861339160).

Almost surely, 2^122402144212 is an apocalyptic number.

It is an amenable number.

122402144212 is a deficient number, since it is larger than the sum of its proper divisors (91933925708).

122402144212 is a wasteful number, since it uses less digits than its factorization.

122402144212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18902510 (or 18902508 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 122402144212 its reverse (212441204221), we get a palindrome (334843348433).

The spelling of 122402144212 in words is "one hundred twenty-two billion, four hundred two million, one hundred forty-four thousand, two hundred twelve".