1212103122 has 8 divisors (see below), whose sum is σ = 2424206256. Its totient is φ = 404034372.

The previous prime is 1212103063. The next prime is 1212103127. The reversal of 1212103122 is 2213012121.

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

1212103122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1212103127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101008588 + ... + 101008599.

It is an arithmetic number, because the mean of its divisors is an integer number (303025782).

Almost surely, 2^1212103122 is an apocalyptic number.

1212103122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212103122 is a wasteful number, since it uses less digits than its factorization.

1212103122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202017192.

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

The square root of 1212103122 is about 34815.2713905838. The cubic root of 1212103122 is about 1066.2192599989.

Adding to 1212103122 its reverse (2213012121), we get a palindrome (3425115243).

The spelling of 1212103122 in words is "one billion, two hundred twelve million, one hundred three thousand, one hundred twenty-two".