1210012112003 has 16 divisors (see below), whose sum is σ = 1344898598400. Its totient is φ = 1082797431936.

The previous prime is 1210012111933. The next prime is 1210012112021. The reversal of 1210012112003 is 3002112100121.

It is a cyclic number.

It is not a de Polignac number, because 1210012112003 - 2³² = 1205717144707 is a prime.

It is a super-2 number, since 2×1210012112003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210012112033) 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, 9200153 + ... + 9330746.

It is an arithmetic number, because the mean of its divisors is an integer number (84056162400).

Almost surely, 2^{1210012112003} is an apocalyptic number.

1210012112003 is a deficient number, since it is larger than the sum of its proper divisors (134886486397).

1210012112003 is a wasteful number, since it uses less digits than its factorization.

1210012112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18531106.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1210012112003 its reverse (3002112100121), we get a palindrome (4212124212124).

The spelling of 1210012112003 in words is "one trillion, two hundred ten billion, twelve million, one hundred twelve thousand, three".