12210001092 has 18 divisors (see below), whose sum is σ = 30864169518. Its totient is φ = 4070000352.

The previous prime is 12210001057. The next prime is 12210001117. The reversal of 12210001092 is 29010001221.

It can be written as a sum of positive squares in only one way, i.e., 10286827776 + 1923173316 = 101424^2 + 43854^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169583313 + ... + 169583384.

Almost surely, 2^12210001092 is an apocalyptic number.

12210001092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210001092 is an abundant number, since it is smaller than the sum of its proper divisors (18654168426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12210001092 is a wasteful number, since it uses less digits than its factorization.

12210001092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339166707 (or 339166702 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 12210001092 in words is "twelve billion, two hundred ten million, one thousand, ninety-two".