12021275010 has 32 divisors (see below), whose sum is σ = 28960778880. Its totient is φ = 3193482368.

The previous prime is 12021274981. The next prime is 12021275017. The reversal of 12021275010 is 1057212021.

It is a super-2 number, since 2×12021275010² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12021275017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753915 + ... + 769694.

It is an arithmetic number, because the mean of its divisors is an integer number (905024340).

Almost surely, 2^12021275010 is an apocalyptic number.

12021275010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021275010 is an abundant number, since it is smaller than the sum of its proper divisors (16939503870).

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

12021275010 is a wasteful number, since it uses less digits than its factorization.

12021275010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523882.

The product of its (nonzero) digits is 280, while the sum is 21.

Adding to 12021275010 its reverse (1057212021), we get a palindrome (13078487031).

The spelling of 12021275010 in words is "twelve billion, twenty-one million, two hundred seventy-five thousand, ten".