3213012513149 has 2 divisors, whose sum is σ = 3213012513150. Its totient is φ = 3213012513148.

The previous prime is 3213012513119. The next prime is 3213012513157. The reversal of 3213012513149 is 9413152103123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2056327320100 + 1156685193049 = 1433990^2 + 1075493^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213012513149 - 2¹² = 3213012509053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213012513119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606506256574 + 1606506256575.

It is an arithmetic number, because the mean of its divisors is an integer number (1606506256575).

Almost surely, 2^{3213012513149} is an apocalyptic number.

It is an amenable number.

3213012513149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213012513149 is an equidigital number, since it uses as much as digits as its factorization.

3213012513149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 3213012513149 in words is "three trillion, two hundred thirteen billion, twelve million, five hundred thirteen thousand, one hundred forty-nine".