1212431022003 has 16 divisors (see below), whose sum is σ = 1687481210880. Its totient is φ = 772859951424.

The previous prime is 1212431021953. The next prime is 1212431022017. The reversal of 1212431022003 is 3002201342121.

It is not a de Polignac number, because 1212431022003 - 2⁹ = 1212431021491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212431022203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3043626 + ... + 3418847.

It is an arithmetic number, because the mean of its divisors is an integer number (105467575680).

Almost surely, 2^{1212431022003} is an apocalyptic number.

1212431022003 is a deficient number, since it is larger than the sum of its proper divisors (475050188877).

1212431022003 is a wasteful number, since it uses less digits than its factorization.

1212431022003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6465218.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1212431022003 its reverse (3002201342121), we get a palindrome (4214632364124).

The spelling of 1212431022003 in words is "one trillion, two hundred twelve billion, four hundred thirty-one million, twenty-two thousand, three".