10121208412 has 24 divisors (see below), whose sum is σ = 20269702656. Its totient is φ = 4331813808.

The previous prime is 10121208403. The next prime is 10121208421. The reversal of 10121208412 is 21480212101.

It is an interprime number because it is at equal distance from previous prime (10121208403) and next prime (10121208421).

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, 222448 + ... + 264055.

It is an arithmetic number, because the mean of its divisors is an integer number (844570944).

Almost surely, 2^10121208412 is an apocalyptic number.

It is an amenable number.

10121208412 is an abundant number, since it is smaller than the sum of its proper divisors (10148494244).

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

10121208412 is a wasteful number, since it uses less digits than its factorization.

10121208412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487257 (or 487255 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The spelling of 10121208412 in words is "ten billion, one hundred twenty-one million, two hundred eight thousand, four hundred twelve".