611621200612 has 24 divisors (see below), whose sum is σ = 1123771340160. Its totient is φ = 290858457120.

The previous prime is 611621200579. The next prime is 611621200651. The reversal of 611621200612 is 216002126116.

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, 39339964 + ... + 39355507.

It is an arithmetic number, because the mean of its divisors is an integer number (46823805840).

Almost surely, 2^611621200612 is an apocalyptic number.

It is an amenable number.

611621200612 is a deficient number, since it is larger than the sum of its proper divisors (512150139548).

611621200612 is a wasteful number, since it uses less digits than its factorization.

611621200612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78695571 (or 78695569 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 611621200612 its reverse (216002126116), we get a palindrome (827623326728).

The spelling of 611621200612 in words is "six hundred eleven billion, six hundred twenty-one million, two hundred thousand, six hundred twelve".