122501400004 has 27 divisors (see below), whose sum is σ = 216102475407. Its totient is φ = 60761747208.

The previous prime is 122501399989. The next prime is 122501400059. The reversal of 122501400004 is 400004105221.

The square root of 122501400004 is 350002.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×122501400004² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 97299927 + ... + 97301185.

Almost surely, 2^122501400004 is an apocalyptic number.

122501400004 is the 350002-nd square number.

It is an amenable number.

122501400004 is a deficient number, since it is larger than the sum of its proper divisors (93601075403).

122501400004 is an frugal number, since it uses more digits than its factorization.

122501400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 122501400004 its reverse (400004105221), we get a palindrome (522505505225).

The spelling of 122501400004 in words is "one hundred twenty-two billion, five hundred one million, four hundred thousand, four".