2212511146646 has 64 divisors (see below), whose sum is σ = 3486752096256. Its totient is φ = 1051918358400.

The previous prime is 2212511146639. The next prime is 2212511146673. The reversal of 2212511146646 is 6466411152122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1144598696 + ... + 1144600628.

It is an arithmetic number, because the mean of its divisors is an integer number (54480501504).

Almost surely, 2^{2212511146646} is an apocalyptic number.

2212511146646 is a deficient number, since it is larger than the sum of its proper divisors (1274240949610).

2212511146646 is a wasteful number, since it uses less digits than its factorization.

2212511146646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837.

The product of its digits is 138240, while the sum is 41.

Adding to 2212511146646 its reverse (6466411152122), we get a palindrome (8678922298768).

The spelling of 2212511146646 in words is "two trillion, two hundred twelve billion, five hundred eleven million, one hundred forty-six thousand, six hundred forty-six".