12220462654 has 16 divisors (see below), whose sum is σ = 18611956080. Its totient is φ = 6016749120.

The previous prime is 12220462613. The next prime is 12220462669. The reversal of 12220462654 is 45626402221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22764 + ... + 157984.

It is an arithmetic number, because the mean of its divisors is an integer number (1163247255).

Almost surely, 2^12220462654 is an apocalyptic number.

12220462654 is a deficient number, since it is larger than the sum of its proper divisors (6391493426).

12220462654 is a wasteful number, since it uses less digits than its factorization.

12220462654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135915.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 12220462654 its reverse (45626402221), we get a palindrome (57846864875).

The spelling of 12220462654 in words is "twelve billion, two hundred twenty million, four hundred sixty-two thousand, six hundred fifty-four".