1212002111203 has 32 divisors (see below), whose sum is σ = 1329368040000. Its totient is φ = 1098287424000.

The previous prime is 1212002111197. The next prime is 1212002111227. The reversal of 1212002111203 is 3021112002121.

It is not a de Polignac number, because 1212002111203 - 2⁵ = 1212002111171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212002111003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266430373 + ... + 266434921.

It is an arithmetic number, because the mean of its divisors is an integer number (41542751250).

Almost surely, 2^{1212002111203} is an apocalyptic number.

1212002111203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1212002111203 is a deficient number, since it is larger than the sum of its proper divisors (117365928797).

1212002111203 is a wasteful number, since it uses less digits than its factorization.

1212002111203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1212002111203 its reverse (3021112002121), we get a palindrome (4233114113324).

The spelling of 1212002111203 in words is "one trillion, two hundred twelve billion, two million, one hundred eleven thousand, two hundred three".