2103252640132 has 72 divisors (see below), whose sum is σ = 4437054682200. Its totient is φ = 868780555776.

The previous prime is 2103252640051. The next prime is 2103252640169. The reversal of 2103252640132 is 2310462523012.

It can be written as a sum of positive squares in 4 ways, for example, as 378611318596 + 1724641321536 = 615314^2 + 1313256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2103252640094 and 2103252640103.

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, 2909038 + ... + 3559354.

It is an arithmetic number, because the mean of its divisors is an integer number (61625759475).

Almost surely, 2^{2103252640132} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103252640132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2218527341100).

2103252640132 is an abundant number, since it is smaller than the sum of its proper divisors (2333802042068).

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

2103252640132 is a wasteful number, since it uses less digits than its factorization.

2103252640132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650933 (or 650924 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 2103252640132 in words is "two trillion, one hundred three billion, two hundred fifty-two million, six hundred forty thousand, one hundred thirty-two".