1212202002112 has 14 divisors (see below), whose sum is σ = 2405463348068. Its totient is φ = 606101001024.

The previous prime is 1212202002047. The next prime is 1212202002113. The reversal of 1212202002112 is 2112002022121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1212202002113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9470328078 + ... + 9470328205.

Almost surely, 2^{1212202002112} is an apocalyptic number.

It is an amenable number.

1212202002112 is a deficient number, since it is larger than the sum of its proper divisors (1193261345956).

1212202002112 is an equidigital number, since it uses as much as digits as its factorization.

1212202002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18940656295 (or 18940656285 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1212202002112 its reverse (2112002022121), we get a palindrome (3324204024233).

The spelling of 1212202002112 in words is "one trillion, two hundred twelve billion, two hundred two million, two thousand, one hundred twelve".