1212210202012 has 48 divisors (see below), whose sum is σ = 2275622566560. Its totient is φ = 563254069248.

The previous prime is 1212210202009. The next prime is 1212210202013. The reversal of 1212210202012 is 2102020122121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212210202013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21211108 + ... + 21268180.

It is an arithmetic number, because the mean of its divisors is an integer number (47408803470).

Almost surely, 2^{1212210202012} is an apocalyptic number.

It is an amenable number.

1212210202012 is a deficient number, since it is larger than the sum of its proper divisors (1063412364548).

1212210202012 is a wasteful number, since it uses less digits than its factorization.

1212210202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62422 (or 62420 counting only the distinct ones).

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

Adding to 1212210202012 its reverse (2102020122121), we get a palindrome (3314230324133).

The spelling of 1212210202012 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred two thousand, twelve".