2525000012121 has 8 divisors (see below), whose sum is σ = 3366675097600. Its totient is φ = 1683329134032.

The previous prime is 2525000012113. The next prime is 2525000012123. The reversal of 2525000012121 is 1212100005252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2525000012121 - 2³ = 2525000012113 is a prime.

It is a super-2 number, since 2×2525000012121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525000012123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828855 + ... + 2395203.

It is an arithmetic number, because the mean of its divisors is an integer number (420834387200).

Almost surely, 2^{2525000012121} is an apocalyptic number.

It is an amenable number.

2525000012121 is a deficient number, since it is larger than the sum of its proper divisors (841675085479).

2525000012121 is a wasteful number, since it uses less digits than its factorization.

2525000012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103695.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 2525000012121 its reverse (1212100005252), we get a palindrome (3737100017373).

The spelling of 2525000012121 in words is "two trillion, five hundred twenty-five billion, twelve thousand, one hundred twenty-one".