122315412 has 12 divisors (see below), whose sum is σ = 285402656. Its totient is φ = 40771800.

The previous prime is 122315411. The next prime is 122315419. The reversal of 122315412 is 214513221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×122315412² = 29922120025459488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122315411) 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, 5096464 + ... + 5096487.

Almost surely, 2^122315412 is an apocalyptic number.

122315412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122315412 is an abundant number, since it is smaller than the sum of its proper divisors (163087244).

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

122315412 is a wasteful number, since it uses less digits than its factorization.

122315412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10192958 (or 10192956 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 122315412 is about 11059.6298310567. The cubic root of 122315412 is about 496.3946142075.

Adding to 122315412 its reverse (214513221), we get a palindrome (336828633).

The spelling of 122315412 in words is "one hundred twenty-two million, three hundred fifteen thousand, four hundred twelve".