1212011044203 has 8 divisors (see below), whose sum is σ = 1621765668816. Its totient is φ = 805131891200.

The previous prime is 1212011044199. The next prime is 1212011044313. The reversal of 1212011044203 is 3024401102121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212011044203 - 2² = 1212011044199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1212011044203.

It is not an unprimeable number, because it can be changed into a prime (1212011044003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718866918 + ... + 718868603.

It is an arithmetic number, because the mean of its divisors is an integer number (202720708602).

Almost surely, 2^{1212011044203} is an apocalyptic number.

1212011044203 is a deficient number, since it is larger than the sum of its proper divisors (409754624613).

1212011044203 is a wasteful number, since it uses less digits than its factorization.

1212011044203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437735805.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1212011044203 its reverse (3024401102121), we get a palindrome (4236412146324).

The spelling of 1212011044203 in words is "one trillion, two hundred twelve billion, eleven million, forty-four thousand, two hundred three".