1200212000022 has 32 divisors (see below), whose sum is σ = 2747034035712. Its totient is φ = 342456174144.

The previous prime is 1200212000017. The next prime is 1200212000023. The reversal of 1200212000022 is 2200002120021.

It is a junction number, because it is equal to n+sod(n) for n = 1200211999971 and 1200212000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200212000023) 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, 19199263 + ... + 19261674.

It is an arithmetic number, because the mean of its divisors is an integer number (85844813616).

Almost surely, 2^{1200212000022} is an apocalyptic number.

1200212000022 is an abundant number, since it is smaller than the sum of its proper divisors (1546822035690).

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

1200212000022 is a wasteful number, since it uses less digits than its factorization.

1200212000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38461692.

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

Adding to 1200212000022 its reverse (2200002120021), we get a palindrome (3400214120043).

The spelling of 1200212000022 in words is "one trillion, two hundred billion, two hundred twelve million, twenty-two", and thus it is an aban number.