1212000021022 has 64 divisors (see below), whose sum is σ = 2134794055680. Its totient is φ = 505363981824.

The previous prime is 1212000020989. The next prime is 1212000021041. The reversal of 1212000021022 is 2201200002121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1212000020993 and 1212000021011.

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, 96314143 + ... + 96326725.

It is an arithmetic number, because the mean of its divisors is an integer number (33356157120).

Almost surely, 2^{1212000021022} is an apocalyptic number.

1212000021022 is a deficient number, since it is larger than the sum of its proper divisors (922794034658).

1212000021022 is a wasteful number, since it uses less digits than its factorization.

1212000021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13937.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1212000021022 its reverse (2201200002121), we get a palindrome (3413200023143).

The spelling of 1212000021022 in words is "one trillion, two hundred twelve billion, twenty-one thousand, twenty-two".