12003021010 has 16 divisors (see below), whose sum is σ = 22132400472. Its totient is φ = 4684105600.

The previous prime is 12003021007. The next prime is 12003021049. The reversal of 12003021010 is 1012030021.

It can be written as a sum of positive squares in 4 ways, for example, as 8978131009 + 3024890001 = 94753^2 + 54999^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 14637421 + ... + 14638240.

Almost surely, 2^12003021010 is an apocalyptic number.

12003021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12003021010 is a deficient number, since it is larger than the sum of its proper divisors (10129379462).

12003021010 is a wasteful number, since it uses less digits than its factorization.

12003021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29275709.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 12003021010 its reverse (1012030021), we get a palindrome (13015051031).

The spelling of 12003021010 in words is "twelve billion, three million, twenty-one thousand, ten".