1210022200212 has 96 divisors (see below), whose sum is σ = 3297271971840. Its totient is φ = 338170567680.

The previous prime is 1210022200157. The next prime is 1210022200223. The reversal of 1210022200212 is 2120022200121.

It is a junction number, because it is equal to n+sod(n) for n = 1210022200191 and 1210022200200.

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, 6857412 + ... + 7031652.

It is an arithmetic number, because the mean of its divisors is an integer number (34346583040).

Almost surely, 2^{1210022200212} is an apocalyptic number.

1210022200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210022200212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648635985920).

1210022200212 is an abundant number, since it is smaller than the sum of its proper divisors (2087249771628).

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

1210022200212 is a wasteful number, since it uses less digits than its factorization.

1210022200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176061 (or 176059 counting only the distinct ones).

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

Adding to 1210022200212 its reverse (2120022200121), we get a palindrome (3330044400333).

Subtracting 1210022200212 from its reverse (2120022200121), we obtain a palindrome (909999999909).

The spelling of 1210022200212 in words is "one trillion, two hundred ten billion, twenty-two million, two hundred thousand, two hundred twelve".