102425121412 has 12 divisors (see below), whose sum is σ = 179280040716. Its totient is φ = 51202252640.

The previous prime is 102425121401. The next prime is 102425121437. The reversal of 102425121412 is 214121524201.

It can be written as a sum of positive squares in 2 ways, for example, as 21396083076 + 81029038336 = 146274^2 + 284656^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2554639 + ... + 2594422.

It is an arithmetic number, because the mean of its divisors is an integer number (14940003393).

Almost surely, 2^102425121412 is an apocalyptic number.

It is an amenable number.

102425121412 is a deficient number, since it is larger than the sum of its proper divisors (76854919304).

102425121412 is a wasteful number, since it uses less digits than its factorization.

102425121412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154038 (or 5154036 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 102425121412 its reverse (214121524201), we get a palindrome (316546645613).

The spelling of 102425121412 in words is "one hundred two billion, four hundred twenty-five million, one hundred twenty-one thousand, four hundred twelve".