3121422212040 has 128 divisors (see below), whose sum is σ = 10255313992320. Its totient is φ = 753763942400.

The previous prime is 3121422212011. The next prime is 3121422212057. The reversal of 3121422212040 is 402122241213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3121422212040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4261371 + ... + 4939850.

It is an arithmetic number, because the mean of its divisors is an integer number (80119640565).

Almost surely, 2^{3121422212040} is an apocalyptic number.

3121422212040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3121422212040 is an abundant number, since it is smaller than the sum of its proper divisors (7133891780280).

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

3121422212040 is a wasteful number, since it uses less digits than its factorization.

3121422212040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9201503 (or 9201499 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 3121422212040 its reverse (402122241213), we get a palindrome (3523544453253).

The spelling of 3121422212040 in words is "three trillion, one hundred twenty-one billion, four hundred twenty-two million, two hundred twelve thousand, forty".