2122312120340 has 24 divisors (see below), whose sum is σ = 4459139930112. Its totient is φ = 848489709600.

The previous prime is 2122312120337. The next prime is 2122312120351. The reversal of 2122312120340 is 430212132212.

It is a super-2 number, since 2×2122312120340² (a number of 25 digits) contains 22 as substring.

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, 27156164 + ... + 27234203.

It is an arithmetic number, because the mean of its divisors is an integer number (185797497088).

Almost surely, 2^{2122312120340} is an apocalyptic number.

2122312120340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122312120340 is an abundant number, since it is smaller than the sum of its proper divisors (2336827809772).

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

2122312120340 is a wasteful number, since it uses less digits than its factorization.

2122312120340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54392327 (or 54392325 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2122312120340 its reverse (430212132212), we get a palindrome (2552524252552).

The spelling of 2122312120340 in words is "two trillion, one hundred twenty-two billion, three hundred twelve million, one hundred twenty thousand, three hundred forty".