102122123213 has 16 divisors (see below), whose sum is σ = 114544426752. Its totient is φ = 90239616000.

The previous prime is 102122123177. The next prime is 102122123227. The reversal of 102122123213 is 312321221201.

It is a cyclic number.

It is not a de Polignac number, because 102122123213 - 2²⁴ = 102105345997 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 (102122123273) 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, 295556 + ... + 539997.

It is an arithmetic number, because the mean of its divisors is an integer number (7159026672).

Almost surely, 2^102122123213 is an apocalyptic number.

It is an amenable number.

102122123213 is a deficient number, since it is larger than the sum of its proper divisors (12422303539).

102122123213 is a wasteful number, since it uses less digits than its factorization.

102122123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835876.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102122123213 its reverse (312321221201), we get a palindrome (414443344414).

The spelling of 102122123213 in words is "one hundred two billion, one hundred twenty-two million, one hundred twenty-three thousand, two hundred thirteen".