10212270125 has 8 divisors (see below), whose sum is σ = 12744913272. Its totient is φ = 8169816000.

The previous prime is 10212270113. The next prime is 10212270127. The reversal of 10212270125 is 52107221201.

It can be written as a sum of positive squares in 4 ways, for example, as 12482089 + 10199788036 = 3533^2 + 100994^2 .

It is not a de Polignac number, because 10212270125 - 2⁴ = 10212270109 is a prime.

It is a super-2 number, since 2×10212270125² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10212270125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212270127) 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, 40848956 + ... + 40849205.

It is an arithmetic number, because the mean of its divisors is an integer number (1593114159).

Almost surely, 2^10212270125 is an apocalyptic number.

It is an amenable number.

10212270125 is a deficient number, since it is larger than the sum of its proper divisors (2532643147).

10212270125 is an frugal number, since it uses more digits than its factorization.

10212270125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81698176 (or 81698166 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 10212270125 its reverse (52107221201), we get a palindrome (62319491326).

The spelling of 10212270125 in words is "ten billion, two hundred twelve million, two hundred seventy thousand, one hundred twenty-five".