1210012210109 has 8 divisors (see below), whose sum is σ = 1249727086080. Its totient is φ = 1170339973200.

The previous prime is 1210012210073. The next prime is 1210012210123. The reversal of 1210012210109 is 9010122100121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210012210109 - 2¹⁶ = 1210012144573 is a prime.

It is a super-2 number, since 2×1210012210109² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210012210189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10602074 + ... + 10715595.

It is an arithmetic number, because the mean of its divisors is an integer number (156215885760).

Almost surely, 2^{1210012210109} is an apocalyptic number.

It is an amenable number.

1210012210109 is a deficient number, since it is larger than the sum of its proper divisors (39714875971).

1210012210109 is a wasteful number, since it uses less digits than its factorization.

1210012210109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21319531.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 1210012210109 in words is "one trillion, two hundred ten billion, twelve million, two hundred ten thousand, one hundred nine".