12020022201212 has 48 divisors (see below), whose sum is σ = 22064332243968. Its totient is φ = 5722400597760.

The previous prime is 12020022201197. The next prime is 12020022201221. The reversal of 12020022201212 is 21210222002021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5995988 + ... + 7745444.

It is an arithmetic number, because the mean of its divisors is an integer number (459673588416).

Almost surely, 2^{12020022201212} is an apocalyptic number.

It is an amenable number.

12020022201212 is a deficient number, since it is larger than the sum of its proper divisors (10044310042756).

12020022201212 is a wasteful number, since it uses less digits than its factorization.

12020022201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750386 (or 1750384 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12020022201212 its reverse (21210222002021), we get a palindrome (33230244203233).

The spelling of 12020022201212 in words is "twelve trillion, twenty billion, twenty-two million, two hundred one thousand, two hundred twelve".