250415200400122 has 4 divisors (see below), whose sum is σ = 375622800600186. Its totient is φ = 125207600200060.

The previous prime is 250415200400089. The next prime is 250415200400143. The reversal of 250415200400122 is 221004002514052.

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., 195265996485121 + 55149203915001 = 13973761^2 + 7426251^2 .

It is a super-2 number, since 2×250415200400122² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62603800100029 + ... + 62603800100032.

Almost surely, 2^{250415200400122} is an apocalyptic number.

250415200400122 is a deficient number, since it is larger than the sum of its proper divisors (125207600200064).

250415200400122 is a wasteful number, since it uses less digits than its factorization.

250415200400122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125207600200063.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 250415200400122 its reverse (221004002514052), we get a palindrome (471419202914174).

The spelling of 250415200400122 in words is "two hundred fifty trillion, four hundred fifteen billion, two hundred million, four hundred thousand, one hundred twenty-two".