12121110000022 has 16 divisors (see below), whose sum is σ = 18221390216640. Its totient is φ = 6047314390728.

The previous prime is 12121109999993. The next prime is 12121110000037. The reversal of 12121110000022 is 22000001112121.

It is a junction number, because it is equal to n+sod(n) for n = 12121109999957 and 12121110000011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22163593 + ... + 22703899.

It is an arithmetic number, because the mean of its divisors is an integer number (1138836888540).

Almost surely, 2^{12121110000022} is an apocalyptic number.

12121110000022 is a deficient number, since it is larger than the sum of its proper divisors (6100280216618).

12121110000022 is a wasteful number, since it uses less digits than its factorization.

12121110000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564795.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12121110000022 its reverse (22000001112121), we get a palindrome (34121111112143).

The spelling of 12121110000022 in words is "twelve trillion, one hundred twenty-one billion, one hundred ten million, twenty-two", and thus it is an aban number.