1212211020103 has 8 divisors (see below), whose sum is σ = 1267400959200. Its totient is φ = 1157228173728.

The previous prime is 1212211020073. The next prime is 1212211020121. The reversal of 1212211020103 is 3010201122121.

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 1212211020103 - 2³⁷ = 1074772066631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212211021103) 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, 51761208 + ... + 51784621.

It is an arithmetic number, because the mean of its divisors is an integer number (158425119900).

Almost surely, 2^{1212211020103} is an apocalyptic number.

1212211020103 is a deficient number, since it is larger than the sum of its proper divisors (55189939097).

1212211020103 is a wasteful number, since it uses less digits than its factorization.

1212211020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103546361.

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

Adding to 1212211020103 its reverse (3010201122121), we get a palindrome (4222412142224).

The spelling of 1212211020103 in words is "one trillion, two hundred twelve billion, two hundred eleven million, twenty thousand, one hundred three".