1012112000221 has 8 divisors (see below), whose sum is σ = 1224740571840. Its totient is φ = 816493714368.

The previous prime is 1012112000209. The next prime is 1012112000233. The reversal of 1012112000221 is 1220002112101.

It is an interprime number because it is at equal distance from previous prime (1012112000209) and next prime (1012112000233).

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 1012112000221 - 2⁵ = 1012112000189 is a prime.

It is a super-3 number, since 3×1012112000221³ (a number of 37 digits) contains 333 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 (1012112000261) 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, 4252571311 + ... + 4252571548.

It is an arithmetic number, because the mean of its divisors is an integer number (153092571480).

Almost surely, 2^{1012112000221} is an apocalyptic number.

It is an amenable number.

1012112000221 is a deficient number, since it is larger than the sum of its proper divisors (212628571619).

1012112000221 is an equidigital number, since it uses as much as digits as its factorization.

1012112000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8505142883.

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

Adding to 1012112000221 its reverse (1220002112101), we get a palindrome (2232114112322).

The spelling of 1012112000221 in words is "one trillion, twelve billion, one hundred twelve million, two hundred twenty-one", and thus it is an aban number.