1212202103 has 8 divisors (see below), whose sum is σ = 1422816672. Its totient is φ = 1010948256.

The previous prime is 1212202093. The next prime is 1212202127. The reversal of 1212202103 is 3012022121.

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 1212202103 - 2⁶ = 1212202039 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 (1212202193) 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, 2339900 + ... + 2340417.

It is an arithmetic number, because the mean of its divisors is an integer number (177852084).

Almost surely, 2^1212202103 is an apocalyptic number.

1212202103 is a deficient number, since it is larger than the sum of its proper divisors (210614569).

1212202103 is an equidigital number, since it uses as much as digits as its factorization.

1212202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680361.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1212202103 is about 34816.6928785604. The cubic root of 1212202103 is about 1066.2482818904.

Adding to 1212202103 its reverse (3012022121), we get a palindrome (4224224224).

The spelling of 1212202103 in words is "one billion, two hundred twelve million, two hundred two thousand, one hundred three".