10212231221660 has 48 divisors (see below), whose sum is σ = 23096138896992. Its totient is φ = 3770541792000.

The previous prime is 10212231221651. The next prime is 10212231221669. The reversal of 10212231221660 is 6612213221201.

It is an interprime number because it is at equal distance from previous prime (10212231221651) and next prime (10212231221669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212231221669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7171010 + ... + 8476310.

It is an arithmetic number, because the mean of its divisors is an integer number (481169560354).

Almost surely, 2^{10212231221660} is an apocalyptic number.

10212231221660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212231221660 is an abundant number, since it is smaller than the sum of its proper divisors (12883907675332).

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

10212231221660 is a wasteful number, since it uses less digits than its factorization.

10212231221660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335414 (or 1335412 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 10212231221660 its reverse (6612213221201), we get a palindrome (16824444442861).

The spelling of 10212231221660 in words is "ten trillion, two hundred twelve billion, two hundred thirty-one million, two hundred twenty-one thousand, six hundred sixty".