1212200010212 has 12 divisors (see below), whose sum is σ = 2121411547836. Its totient is φ = 606082425120.

The previous prime is 1212200010193. The next prime is 1212200010223. The reversal of 1212200010212 is 2120100022121.

It can be written as a sum of positive squares in 2 ways, for example, as 617302490596 + 594897519616 = 785686^2 + 771296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4239239 + ... + 4516142.

It is an arithmetic number, because the mean of its divisors is an integer number (176784295653).

Almost surely, 2^{1212200010212} is an apocalyptic number.

It is an amenable number.

1212200010212 is a deficient number, since it is larger than the sum of its proper divisors (909211537624).

1212200010212 is a wasteful number, since it uses less digits than its factorization.

1212200010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8789998 (or 8789996 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1212200010212 its reverse (2120100022121), we get a palindrome (3332300032333).

The spelling of 1212200010212 in words is "one trillion, two hundred twelve billion, two hundred million, ten thousand, two hundred twelve".