1213110032357 has 2 divisors, whose sum is σ = 1213110032358. Its totient is φ = 1213110032356.

The previous prime is 1213110032317. The next prime is 1213110032399. The reversal of 1213110032357 is 7532300113121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1211582316961 + 1527715396 = 1100719^2 + 39086^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213110032357 - 2⁶ = 1213110032293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213110032317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606555016178 + 606555016179.

It is an arithmetic number, because the mean of its divisors is an integer number (606555016179).

Almost surely, 2^{1213110032357} is an apocalyptic number.

It is an amenable number.

1213110032357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213110032357 is an equidigital number, since it uses as much as digits as its factorization.

1213110032357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

Adding to 1213110032357 its reverse (7532300113121), we get a palindrome (8745410145478).

The spelling of 1213110032357 in words is "one trillion, two hundred thirteen billion, one hundred ten million, thirty-two thousand, three hundred fifty-seven".