122452145012 has 12 divisors (see below), whose sum is σ = 217226750916. Its totient is φ = 60387359040.

The previous prime is 122452144987. The next prime is 122452145017. The reversal of 122452145012 is 210541254221.

It can be written as a sum of positive squares in 2 ways, for example, as 63638134756 + 58814010256 = 252266^2 + 242516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122452145017) 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, 209678039 + ... + 209678622.

It is an arithmetic number, because the mean of its divisors is an integer number (18102229243).

Almost surely, 2^122452145012 is an apocalyptic number.

It is an amenable number.

122452145012 is a deficient number, since it is larger than the sum of its proper divisors (94774605904).

122452145012 is a wasteful number, since it uses less digits than its factorization.

122452145012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419356738 (or 419356736 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 122452145012 its reverse (210541254221), we get a palindrome (332993399233).

The spelling of 122452145012 in words is "one hundred twenty-two billion, four hundred fifty-two million, one hundred forty-five thousand, twelve".