1212110002 has 4 divisors (see below), whose sum is σ = 1818165006. Its totient is φ = 606055000.

The previous prime is 1212109999. The next prime is 1212110041. The reversal of 1212110002 is 2000112121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 830650041 + 381459961 = 28821^2 + 19531^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303027499 + ... + 303027502.

Almost surely, 2^1212110002 is an apocalyptic number.

1212110002 is a deficient number, since it is larger than the sum of its proper divisors (606055004).

1212110002 is an equidigital number, since it uses as much as digits as its factorization.

1212110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606055003.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1212110002 is about 34815.3701976584. The cubic root of 1212110002 is about 1066.2212773120.

Adding to 1212110002 its reverse (2000112121), we get a palindrome (3212222123).

The spelling of 1212110002 in words is "one billion, two hundred twelve million, one hundred ten thousand, two".