122312143400140 has 96 divisors (see below), whose sum is σ = 258691249575360. Its totient is φ = 48576443596800.

The previous prime is 122312143400137. The next prime is 122312143400143. The reversal of 122312143400140 is 41004341213221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122312143400137) and next prime (122312143400143).

It is a junction number, because it is equal to n+sod(n) for n = 122312143400099 and 122312143400108.

It is not an unprimeable number, because it can be changed into a prime (122312143400143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3030433560 + ... + 3030473920.

It is an arithmetic number, because the mean of its divisors is an integer number (2694700516410).

Almost surely, 2^{122312143400140} is an apocalyptic number.

122312143400140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122312143400140 is an abundant number, since it is smaller than the sum of its proper divisors (136379106175220).

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

122312143400140 is a wasteful number, since it uses less digits than its factorization.

122312143400140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42283 (or 42281 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 122312143400140 its reverse (41004341213221), we get a palindrome (163316484613361).

The spelling of 122312143400140 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred forty-three million, four hundred thousand, one hundred forty".