1213210122313 has 16 divisors (see below), whose sum is σ = 1419169202176. Its totient is φ = 1015425467280.

The previous prime is 1213210122277. The next prime is 1213210122323. The reversal of 1213210122313 is 3132210123121.

It is not a de Polignac number, because 1213210122313 - 2¹³ = 1213210114121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213210122323) 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, 510520 + ... + 1639222.

It is an arithmetic number, because the mean of its divisors is an integer number (88698075136).

Almost surely, 2^{1213210122313} is an apocalyptic number.

It is an amenable number.

1213210122313 is a deficient number, since it is larger than the sum of its proper divisors (205959079863).

1213210122313 is a wasteful number, since it uses less digits than its factorization.

1213210122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132324.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1213210122313 its reverse (3132210123121), we get a palindrome (4345420245434).

The spelling of 1213210122313 in words is "one trillion, two hundred thirteen billion, two hundred ten million, one hundred twenty-two thousand, three hundred thirteen".