12023121010 has 16 divisors (see below), whose sum is σ = 21658588056. Its totient is φ = 4805477248.

The previous prime is 12023121001. The next prime is 12023121041. The reversal of 12023121010 is 1012132021.

It can be written as a sum of positive squares in 4 ways, for example, as 11979521401 + 43599609 = 109451^2 + 6603^2 .

It is a super-2 number, since 2×12023121010² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457987 + ... + 483526.

Almost surely, 2^12023121010 is an apocalyptic number.

12023121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12023121010 is a deficient number, since it is larger than the sum of its proper divisors (9635467046).

12023121010 is a wasteful number, since it uses less digits than its factorization.

12023121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942797.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12023121010 its reverse (1012132021), we get a palindrome (13035253031).

The spelling of 12023121010 in words is "twelve billion, twenty-three million, one hundred twenty-one thousand, ten".