1210100201213 has 4 divisors (see below), whose sum is σ = 1210106688540. Its totient is φ = 1210093713888.

The previous prime is 1210100201143. The next prime is 1210100201231. The reversal of 1210100201213 is 3121020010121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1015898694724 + 194201506489 = 1007918^2 + 440683^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210100201213 - 2⁸ = 1210100200957 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 (1210105201213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2955320 + ... + 3339777.

It is an arithmetic number, because the mean of its divisors is an integer number (302526672135).

Almost surely, 2^{1210100201213} is an apocalyptic number.

It is an amenable number.

1210100201213 is a deficient number, since it is larger than the sum of its proper divisors (6487327).

1210100201213 is an equidigital number, since it uses as much as digits as its factorization.

1210100201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6487326.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1210100201213 its reverse (3121020010121), we get a palindrome (4331120211334).

The spelling of 1210100201213 in words is "one trillion, two hundred ten billion, one hundred million, two hundred one thousand, two hundred thirteen".