1212220002103 has 8 divisors (see below), whose sum is σ = 1322723039616. Its totient is φ = 1101767167800.

The previous prime is 1212220002089. The next prime is 1212220002113. The reversal of 1212220002103 is 3012000222121.

It is a happy number.

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 1212220002103 - 2⁹ = 1212220001591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212220002113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12500301 + ... + 12596902.

It is an arithmetic number, because the mean of its divisors is an integer number (165340379952).

Almost surely, 2^{1212220002103} is an apocalyptic number.

1212220002103 is a deficient number, since it is larger than the sum of its proper divisors (110503037513).

1212220002103 is a wasteful number, since it uses less digits than its factorization.

1212220002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25101605.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1212220002103 its reverse (3012000222121), we get a palindrome (4224220224224).

The spelling of 1212220002103 in words is "one trillion, two hundred twelve billion, two hundred twenty million, two thousand, one hundred three".