1212100000113 has 8 divisors (see below), whose sum is σ = 1616145414048. Its totient is φ = 808060626464.

The previous prime is 1212100000063. The next prime is 1212100000121. The reversal of 1212100000113 is 3110000012121.

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 1212100000113 - 2⁹ = 1212099999601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212100000123) 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, 1019031 + ... + 1860812.

It is an arithmetic number, because the mean of its divisors is an integer number (202018176756).

Almost surely, 2^{1212100000113} is an apocalyptic number.

It is an amenable number.

1212100000113 is a deficient number, since it is larger than the sum of its proper divisors (404045413935).

1212100000113 is a wasteful number, since it uses less digits than its factorization.

1212100000113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020143.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1212100000113 its reverse (3110000012121), we get a palindrome (4322100012234).

The spelling of 1212100000113 in words is "one trillion, two hundred twelve billion, one hundred million, one hundred thirteen", and thus it is an aban number.