5121151201242 has 12 divisors (see below), whose sum is σ = 11095827602730. Its totient is φ = 1707050400408.

The previous prime is 5121151201169. The next prime is 5121151201291. The reversal of 5121151201242 is 2421021511215.

5121151201242 is a `hidden beast` number, since 5 + 1 + 21 + 1 + 512 + 0 + 124 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4073781126321 + 1047370074921 = 2018361^2 + 1023411^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142254200017 + ... + 142254200052.

Almost surely, 2^{5121151201242} is an apocalyptic number.

5121151201242 is an abundant number, since it is smaller than the sum of its proper divisors (5974676401488).

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

5121151201242 is a wasteful number, since it uses less digits than its factorization.

5121151201242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284508400077 (or 284508400074 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 5121151201242 its reverse (2421021511215), we get a palindrome (7542172712457).

The spelling of 5121151201242 in words is "five trillion, one hundred twenty-one billion, one hundred fifty-one million, two hundred one thousand, two hundred forty-two".