122312143400340 has 24 divisors (see below), whose sum is σ = 342474001521120. Its totient is φ = 32616571573408.

The previous prime is 122312143400339. The next prime is 122312143400407. The reversal of 122312143400340 is 43004341213221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 122312143400298 and 122312143400307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019267861610 + ... + 1019267861729.

It is an arithmetic number, because the mean of its divisors is an integer number (14269750063380).

Almost surely, 2^{122312143400340} is an apocalyptic number.

122312143400340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122312143400340 is an abundant number, since it is smaller than the sum of its proper divisors (220161858120780).

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

122312143400340 is a wasteful number, since it uses less digits than its factorization.

122312143400340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038535723351 (or 2038535723349 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 122312143400340 its reverse (43004341213221), we get a palindrome (165316484613561).

The spelling of 122312143400340 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred forty-three million, four hundred thousand, three hundred forty".