12003210040040 has 16 divisors (see below), whose sum is σ = 27007222590180. Its totient is φ = 4801284016000.

The previous prime is 12003210040033. The next prime is 12003210040057. The reversal of 12003210040040 is 4004001230021.

It can be written as a sum of positive squares in 2 ways, for example, as 9649360620964 + 2353849419076 = 3106342^2 + 1534226^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150040125461 + ... + 150040125540.

Almost surely, 2^{12003210040040} is an apocalyptic number.

12003210040040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003210040040 is an abundant number, since it is smaller than the sum of its proper divisors (15004012550140).

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

12003210040040 is a wasteful number, since it uses less digits than its factorization.

12003210040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300080251012 (or 300080251008 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12003210040040 its reverse (4004001230021), we get a palindrome (16007211270061).

The spelling of 12003210040040 in words is "twelve trillion, three billion, two hundred ten million, forty thousand, forty".