1211223200003 has 16 divisors (see below), whose sum is σ = 1284486032640. Its totient is φ = 1139723947296.

The previous prime is 1211223199997. The next prime is 1211223200023. The reversal of 1211223200003 is 3000023221121.

It is a cyclic number.

It is not a de Polignac number, because 1211223200003 - 2⁶ = 1211223199939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211223200023) 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, 607001 + ... + 1670597.

It is an arithmetic number, because the mean of its divisors is an integer number (80280377040).

Almost surely, 2^{1211223200003} is an apocalyptic number.

1211223200003 is a deficient number, since it is larger than the sum of its proper divisors (73262832637).

1211223200003 is a wasteful number, since it uses less digits than its factorization.

1211223200003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064426.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1211223200003 its reverse (3000023221121), we get a palindrome (4211246421124).

The spelling of 1211223200003 in words is "one trillion, two hundred eleven billion, two hundred twenty-three million, two hundred thousand, three".