10212212113231 has 4 divisors (see below), whose sum is σ = 10541638310464. Its totient is φ = 9882785916000.

The previous prime is 10212212113223. The next prime is 10212212113241. The reversal of 10212212113231 is 13231121221201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10212212113231 - 2³ = 10212212113223 is a prime.

It is a super-2 number, since 2×10212212113231² (a number of 27 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 (10212212113211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164713098570 + ... + 164713098631.

It is an arithmetic number, because the mean of its divisors is an integer number (2635409577616).

Almost surely, 2^{10212212113231} is an apocalyptic number.

10212212113231 is a deficient number, since it is larger than the sum of its proper divisors (329426197233).

10212212113231 is an equidigital number, since it uses as much as digits as its factorization.

10212212113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329426197232.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 10212212113231 its reverse (13231121221201), we get a palindrome (23443333334432).

The spelling of 10212212113231 in words is "ten trillion, two hundred twelve billion, two hundred twelve million, one hundred thirteen thousand, two hundred thirty-one".