1212012010 has 64 divisors (see below), whose sum is σ = 2416500864. Its totient is φ = 434022400.

The previous prime is 1212012007. The next prime is 1212012013. The reversal of 1212012010 is 102102121.

It is an interprime number because it is at equal distance from previous prime (1212012007) and next prime (1212012013).

It is a super-2 number, since 2×1212012010² = 2937946224768480200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1212012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3492657 + ... + 3493003.

It is an arithmetic number, because the mean of its divisors is an integer number (37757826).

Almost surely, 2^1212012010 is an apocalyptic number.

1212012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212012010 is a deficient number, since it is larger than the sum of its proper divisors (1204488854).

1212012010 is a wasteful number, since it uses less digits than its factorization.

1212012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759.

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

The square root of 1212012010 is about 34813.9628597492. The cubic root of 1212012010 is about 1066.1925439542.

Adding to 1212012010 its reverse (102102121), we get a palindrome (1314114131).

The spelling of 1212012010 in words is "one billion, two hundred twelve million, twelve thousand, ten".