1212000011010 has 24 divisors (see below), whose sum is σ = 3151200028860. Its totient is φ = 323200002912.

The previous prime is 1212000010909. The next prime is 1212000011059. The reversal of 1212000011010 is 101100002121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1046633348601 + 165366662409 = 1023051^2 + 406653^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1212000010983 and 1212000011001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6733333305 + ... + 6733333484.

Almost surely, 2^{1212000011010} is an apocalyptic number.

1212000011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212000011010 is an abundant number, since it is smaller than the sum of its proper divisors (1939200017850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212000011010 is a wasteful number, since it uses less digits than its factorization.

1212000011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13466666802 (or 13466666799 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1212000011010 its reverse (101100002121), we get a palindrome (1313100013131).

The spelling of 1212000011010 in words is "one trillion, two hundred twelve billion, eleven thousand, ten".