42325121002 has 4 divisors (see below), whose sum is σ = 63487681506. Its totient is φ = 21162560500.

The previous prime is 42325120991. The next prime is 42325121039. The reversal of 42325121002 is 20012152324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27208172601 + 15116948401 = 164949^2 + 122951^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10581280249 + ... + 10581280252.

Almost surely, 2^42325121002 is an apocalyptic number.

42325121002 is a deficient number, since it is larger than the sum of its proper divisors (21162560504).

42325121002 is a wasteful number, since it uses less digits than its factorization.

42325121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21162560503.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 42325121002 its reverse (20012152324), we get a palindrome (62337273326).

The spelling of 42325121002 in words is "forty-two billion, three hundred twenty-five million, one hundred twenty-one thousand, two".