122555231420412 has 96 divisors (see below), whose sum is σ = 328071860121600. Its totient is φ = 34881261368832.

The previous prime is 122555231420407. The next prime is 122555231420579. The reversal of 122555231420412 is 214024132555221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20217738 + ... + 25570830.

It is an arithmetic number, because the mean of its divisors is an integer number (3417415209600).

Almost surely, 2^{122555231420412} is an apocalyptic number.

122555231420412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122555231420412 is an abundant number, since it is smaller than the sum of its proper divisors (205516628701188).

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

122555231420412 is a wasteful number, since it uses less digits than its factorization.

122555231420412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354155 (or 5354153 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 122555231420412 its reverse (214024132555221), we get a palindrome (336579363975633).

The spelling of 122555231420412 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-one million, four hundred twenty thousand, four hundred twelve".