1210120012 has 6 divisors (see below), whose sum is σ = 2117710028. Its totient is φ = 605060004.

The previous prime is 1210120003. The next prime is 1210120049. The reversal of 1210120012 is 2100210121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151264998 + ... + 151265005.

Almost surely, 2^1210120012 is an apocalyptic number.

It is an amenable number.

1210120012 is a deficient number, since it is larger than the sum of its proper divisors (907590016).

1210120012 is a wasteful number, since it uses less digits than its factorization.

1210120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302530007 (or 302530005 counting only the distinct ones).

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

The square root of 1210120012 is about 34786.7792702918. The cubic root of 1210120012 is about 1065.6374656448.

Adding to 1210120012 its reverse (2100210121), we get a palindrome (3310330133).

The spelling of 1210120012 in words is "one billion, two hundred ten million, one hundred twenty thousand, twelve".