1210001012 has 12 divisors (see below), whose sum is σ = 2310002016. Its totient is φ = 550000440.

The previous prime is 1210001011. The next prime is 1210001101. The reversal of 1210001012 is 2101000121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210001011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13749968 + ... + 13750055.

It is an arithmetic number, because the mean of its divisors is an integer number (192500168).

Almost surely, 2^1210001012 is an apocalyptic number.

It is an amenable number.

1210001012 is a deficient number, since it is larger than the sum of its proper divisors (1100001004).

1210001012 is a wasteful number, since it uses less digits than its factorization.

1210001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27500038 (or 27500036 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1210001012 is about 34785.0688083264. The cubic root of 1210001012 is about 1065.6025338435.

Adding to 1210001012 its reverse (2101000121), we get a palindrome (3311001133).

The spelling of 1210001012 in words is "one billion, two hundred ten million, one thousand, twelve".