2003121031210 has 32 divisors (see below), whose sum is σ = 3883105839312. Its totient is φ = 739588631040.

The previous prime is 2003121031199. The next prime is 2003121031211. The reversal of 2003121031210 is 121301213002.

It can be written as a sum of positive squares in 8 ways, for example, as 859104680641 + 1144016350569 = 926879^2 + 1069587^2 .

It is not an unprimeable number, because it can be changed into a prime (2003121031211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3792652 + ... + 4288408.

Almost surely, 2^{2003121031210} is an apocalyptic number.

2003121031210 is a deficient number, since it is larger than the sum of its proper divisors (1879984808102).

2003121031210 is a wasteful number, since it uses less digits than its factorization.

2003121031210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526858.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2003121031210 its reverse (121301213002), we get a palindrome (2124422244212).

The spelling of 2003121031210 in words is "two trillion, three billion, one hundred twenty-one million, thirty-one thousand, two hundred ten".