1212103042 has 8 divisors (see below), whose sum is σ = 1818694476. Its totient is φ = 605871552.

The previous prime is 1212103037. The next prime is 1212103051. The reversal of 1212103042 is 2403012121.

It can be written as a sum of positive squares in 2 ways, for example, as 1179166921 + 32936121 = 34339^2 + 5739^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81403 + ... + 95134.

Almost surely, 2^1212103042 is an apocalyptic number.

1212103042 is a deficient number, since it is larger than the sum of its proper divisors (606591434).

1212103042 is a wasteful number, since it uses less digits than its factorization.

1212103042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179972.

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

The square root of 1212103042 is about 34815.2702416626. The cubic root of 1212103042 is about 1066.2192365417.

Adding to 1212103042 its reverse (2403012121), we get a palindrome (3615115163).

The spelling of 1212103042 in words is "one billion, two hundred twelve million, one hundred three thousand, forty-two".