122451312352 has 48 divisors (see below), whose sum is σ = 243217779840. Its totient is φ = 60684129792.

The previous prime is 122451312349. The next prime is 122451312359. The reversal of 122451312352 is 253213154221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122451312359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596678 + ... + 1671610.

It is an arithmetic number, because the mean of its divisors is an integer number (5067037080).

Almost surely, 2^122451312352 is an apocalyptic number.

It is an amenable number.

122451312352 is a deficient number, since it is larger than the sum of its proper divisors (120766467488).

122451312352 is a wasteful number, since it uses less digits than its factorization.

122451312352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75395 (or 75387 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

Adding to 122451312352 its reverse (253213154221), we get a palindrome (375664466573).

The spelling of 122451312352 in words is "one hundred twenty-two billion, four hundred fifty-one million, three hundred twelve thousand, three hundred fifty-two".