2125140021796 has 243 divisors, whose sum is σ = 4441242170043. Its totient is φ = 889016214240.

The previous prime is 2125140021791. The next prime is 2125140021841. The reversal of 2125140021796 is 6971200415212.

The square root of 2125140021796 is 1457786.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2125140021796² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125140021791) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 31718507755 + ... + 31718507821.

Almost surely, 2^{2125140021796} is an apocalyptic number.

2125140021796 is the 1457786-th square number.

It is an amenable number.

2125140021796 is an abundant number, since it is smaller than the sum of its proper divisors (2316102148247).

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

2125140021796 is a wasteful number, since it uses less digits than its factorization.

2125140021796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 2125140021796 in words is "two trillion, one hundred twenty-five billion, one hundred forty million, twenty-one thousand, seven hundred ninety-six".