1212202211213 has 12 divisors (see below), whose sum is σ = 1410186307392. Its totient is φ = 1038976286040.

The previous prime is 1212202211161. The next prime is 1212202211219. The reversal of 1212202211213 is 3121122022121.

It is not a de Polignac number, because 1212202211213 - 2¹⁶ = 1212202145677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212202211219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318806 + ... + 1589352.

It is an arithmetic number, because the mean of its divisors is an integer number (117515525616).

Almost surely, 2^{1212202211213} is an apocalyptic number.

It is an amenable number.

1212202211213 is a deficient number, since it is larger than the sum of its proper divisors (197984096179).

1212202211213 is a wasteful number, since it uses less digits than its factorization.

1212202211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290032 (or 1290025 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1212202211213 its reverse (3121122022121), we get a palindrome (4333324233334).

The spelling of 1212202211213 in words is "one trillion, two hundred twelve billion, two hundred two million, two hundred eleven thousand, two hundred thirteen".