2122431652650 has 48 divisors (see below), whose sum is σ = 5314733745984. Its totient is φ = 560486801280.

The previous prime is 2122431652613. The next prime is 2122431652703. The reversal of 2122431652650 is 562561342212.

It is a super-2 number, since 2×2122431652650² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2122431652599 and 2122431652608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68671659 + ... + 68702558.

It is an arithmetic number, because the mean of its divisors is an integer number (110723619708).

Almost surely, 2^{2122431652650} is an apocalyptic number.

2122431652650 is an abundant number, since it is smaller than the sum of its proper divisors (3192302093334).

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

2122431652650 is a wasteful number, since it uses less digits than its factorization.

2122431652650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137374335 (or 137374330 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 2122431652650 its reverse (562561342212), we get a palindrome (2684992994862).

The spelling of 2122431652650 in words is "two trillion, one hundred twenty-two billion, four hundred thirty-one million, six hundred fifty-two thousand, six hundred fifty".