1212210200022 has 16 divisors (see below), whose sum is σ = 2445875449200. Its totient is φ = 400494225152.

The previous prime is 1212210200011. The next prime is 1212210200023. The reversal of 1212210200022 is 2200020122121.

It is a junction number, because it is equal to n+sod(n) for n = 1212210199974 and 1212210200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212210200023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893959647 + ... + 893961002.

It is an arithmetic number, because the mean of its divisors is an integer number (152867215575).

Almost surely, 2^{1212210200022} is an apocalyptic number.

1212210200022 is an abundant number, since it is smaller than the sum of its proper divisors (1233665249178).

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

1212210200022 is a wasteful number, since it uses less digits than its factorization.

1212210200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787920767.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1212210200022 its reverse (2200020122121), we get a palindrome (3412230322143).

The spelling of 1212210200022 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred thousand, twenty-two".