1212012010203 has 16 divisors (see below), whose sum is σ = 1639250208000. Its totient is φ = 796397484960.

The previous prime is 1212012010171. The next prime is 1212012010291. The reversal of 1212012010203 is 3020102102121.

It is not a de Polignac number, because 1212012010203 - 2⁵ = 1212012010171 is a prime.

It is a super-2 number, since 2×1212012010203² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212012020203) 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, 81253 + ... + 1559046.

It is an arithmetic number, because the mean of its divisors is an integer number (102453138000).

Almost surely, 2^{1212012010203} is an apocalyptic number.

1212012010203 is a deficient number, since it is larger than the sum of its proper divisors (427238197797).

1212012010203 is a wasteful number, since it uses less digits than its factorization.

1212012010203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643842.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1212012010203 its reverse (3020102102121), we get a palindrome (4232114112324).

The spelling of 1212012010203 in words is "one trillion, two hundred twelve billion, twelve million, ten thousand, two hundred three".