1212008102 has 4 divisors (see below), whose sum is σ = 1818012156. Its totient is φ = 606004050.

The previous prime is 1212008099. The next prime is 1212008111. The reversal of 1212008102 is 2018002121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2018002121 = 1291 ⋅1563131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303002024 + ... + 303002027.

It is an arithmetic number, because the mean of its divisors is an integer number (454503039).

Almost surely, 2^1212008102 is an apocalyptic number.

1212008102 is a deficient number, since it is larger than the sum of its proper divisors (606004054).

1212008102 is an equidigital number, since it uses as much as digits as its factorization.

1212008102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606004053.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1212008102 is about 34813.9067327986. The cubic root of 1212008102 is about 1066.1913980126.

The spelling of 1212008102 in words is "one billion, two hundred twelve million, eight thousand, one hundred two".