216122511362 has 16 divisors (see below), whose sum is σ = 326077363584. Its totient is φ = 107431650000.

The previous prime is 216122511313. The next prime is 216122511373. The reversal of 216122511362 is 263115221612.

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, 126314 + ... + 669477.

It is an arithmetic number, because the mean of its divisors is an integer number (20379835224).

Almost surely, 2^216122511362 is an apocalyptic number.

216122511362 is a deficient number, since it is larger than the sum of its proper divisors (109954852222).

216122511362 is a wasteful number, since it uses less digits than its factorization.

216122511362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796585.

The product of its digits is 8640, while the sum is 32.

Adding to 216122511362 its reverse (263115221612), we get a palindrome (479237732974).

The spelling of 216122511362 in words is "two hundred sixteen billion, one hundred twenty-two million, five hundred eleven thousand, three hundred sixty-two".