1212002000022 has 32 divisors (see below), whose sum is σ = 2655340516224. Its totient is φ = 365749372800.

The previous prime is 1212002000003. The next prime is 1212002000023. The reversal of 1212002000022 is 2200002002121.

It is a junction number, because it is equal to n+sod(n) for n = 1212001999971 and 1212002000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212002000023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38082988 + ... + 38114799.

It is an arithmetic number, because the mean of its divisors is an integer number (82979391132).

Almost surely, 2^{1212002000022} is an apocalyptic number.

1212002000022 is an abundant number, since it is smaller than the sum of its proper divisors (1443338516202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212002000022 is a wasteful number, since it uses less digits than its factorization.

1212002000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76198044.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1212002000022 its reverse (2200002002121), we get a palindrome (3412004002143).

The spelling of 1212002000022 in words is "one trillion, two hundred twelve billion, two million, twenty-two", and thus it is an aban number.