122351240000 has 140 divisors (see below), whose sum is σ = 330973529568. Its totient is φ = 44491200000.

The previous prime is 122351239981. The next prime is 122351240003. The reversal of 122351240000 is 42153221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122351240003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 300965 + ... + 579035.

Almost surely, 2^122351240000 is an apocalyptic number.

122351240000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122351240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165486764784).

122351240000 is an abundant number, since it is smaller than the sum of its proper divisors (208622289568).

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

122351240000 is an equidigital number, since it uses as much as digits as its factorization.

122351240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278114 (or 278089 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 122351240000 its reverse (42153221), we get a palindrome (122393393221).

The spelling of 122351240000 in words is "one hundred twenty-two billion, three hundred fifty-one million, two hundred forty thousand".