1212001202212 has 96 divisors (see below), whose sum is σ = 2279276423424. Its totient is φ = 562511769600.

The previous prime is 1212001202141. The next prime is 1212001202227. The reversal of 1212001202212 is 2122021002121.

It is a happy number.

It is a super-4 number, since 4×1212001202212⁴ (a number of 49 digits) contains 4444 as substring.

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, 740378658 + ... + 740380294.

It is an arithmetic number, because the mean of its divisors is an integer number (23742462744).

Almost surely, 2^{1212001202212} is an apocalyptic number.

It is an amenable number.

1212001202212 is a deficient number, since it is larger than the sum of its proper divisors (1067275221212).

1212001202212 is a wasteful number, since it uses less digits than its factorization.

1212001202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629 (or 2627 counting only the distinct ones).

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

Adding to 1212001202212 its reverse (2122021002121), we get a palindrome (3334022204333).

The spelling of 1212001202212 in words is "one trillion, two hundred twelve billion, one million, two hundred two thousand, two hundred twelve".