651222110042 has 16 divisors (see below), whose sum is σ = 1116407225472. Its totient is φ = 279088573680.

The previous prime is 651222110027. The next prime is 651222110131. The reversal of 651222110042 is 240011222156.

It is a junction number, because it is equal to n+sod(n) for n = 651222109993 and 651222110020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85667 + ... + 1144457.

It is an arithmetic number, because the mean of its divisors is an integer number (69775451592).

Almost surely, 2^651222110042 is an apocalyptic number.

651222110042 is a deficient number, since it is larger than the sum of its proper divisors (465185115430).

651222110042 is a wasteful number, since it uses less digits than its factorization.

651222110042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102733.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 651222110042 its reverse (240011222156), we get a palindrome (891233332198).

The spelling of 651222110042 in words is "six hundred fifty-one billion, two hundred twenty-two million, one hundred ten thousand, forty-two".