2125000040000 has 70 divisors (see below), whose sum is σ = 5269309573374. Its totient is φ = 850000000000.

The previous prime is 2125000039919. The next prime is 2125000040063. The reversal of 2125000040000 is 400005212.

It can be written as a sum of positive squares in 5 ways, for example, as 1170048929344 + 954951110656 = 1081688^2 + 977216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26522501 + ... + 26602500.

Almost surely, 2^{2125000040000} is an apocalyptic number.

2125000040000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125000040000 is an abundant number, since it is smaller than the sum of its proper divisors (3144309533374).

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

2125000040000 is an frugal number, since it uses more digits than its factorization.

2125000040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53125033 (or 53125008 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

Adding to 2125000040000 its reverse (400005212), we get a palindrome (2125400045212).

The spelling of 2125000040000 in words is "two trillion, one hundred twenty-five billion, forty thousand".