10212256155009 has 16 divisors (see below), whose sum is σ = 13620194328384. Its totient is φ = 6806244672000.

The previous prime is 10212256155001. The next prime is 10212256155053. The reversal of 10212256155009 is 90055165221201.

It is not a de Polignac number, because 10212256155009 - 2³ = 10212256155001 is a prime.

It is a super-3 number, since 3×10212256155009³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10212256155001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174238309 + ... + 174296909.

It is an arithmetic number, because the mean of its divisors is an integer number (851262145524).

Almost surely, 2^{10212256155009} is an apocalyptic number.

It is an amenable number.

10212256155009 is a deficient number, since it is larger than the sum of its proper divisors (3407938173375).

10212256155009 is an equidigital number, since it uses as much as digits as its factorization.

10212256155009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74048.

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 10212256155009 in words is "ten trillion, two hundred twelve billion, two hundred fifty-six million, one hundred fifty-five thousand, nine".