1212002103 has 8 divisors (see below), whose sum is σ = 1740310768. Its totient is φ = 745847424.

The previous prime is 1212002093. The next prime is 1212002111. The reversal of 1212002103 is 3012002121.

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

It is not a de Polignac number, because 1212002103 - 2⁴ = 1212002087 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 (1212002003) 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, 15538450 + ... + 15538527.

It is an arithmetic number, because the mean of its divisors is an integer number (217538846).

Almost surely, 2^1212002103 is an apocalyptic number.

1212002103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1212002103 is a deficient number, since it is larger than the sum of its proper divisors (528308665).

1212002103 is a wasteful number, since it uses less digits than its factorization.

1212002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31076993.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1212002103 is about 34813.8205745936. The cubic root of 1212002103 is about 1066.1896389229.

Adding to 1212002103 its reverse (3012002121), we get a palindrome (4224004224).

The spelling of 1212002103 in words is "one billion, two hundred twelve million, two thousand, one hundred three".