220012111001212 has 24 divisors (see below), whose sum is σ = 389990460721680. Its totient is φ = 108592095843840.

The previous prime is 220012111001161. The next prime is 220012111001297. The reversal of 220012111001212 is 212100111210022.

It is a congruent number.

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, 728694214 + ... + 728996077.

It is an arithmetic number, because the mean of its divisors is an integer number (16249602530070).

Almost surely, 2^{220012111001212} is an apocalyptic number.

It is an amenable number.

220012111001212 is a deficient number, since it is larger than the sum of its proper divisors (169978349720468).

220012111001212 is a wasteful number, since it uses less digits than its factorization.

220012111001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457690781 (or 1457690779 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220012111001212 its reverse (212100111210022), we get a palindrome (432112222211234).

The spelling of 220012111001212 in words is "two hundred twenty trillion, twelve billion, one hundred eleven million, one thousand, two hundred twelve".