1212002010111 has 8 divisors (see below), whose sum is σ = 1616619250224. Its totient is φ = 807693055040.

The previous prime is 1212002010077. The next prime is 1212002010119. The reversal of 1212002010111 is 1110102002121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212002010111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212002010119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77062086 + ... + 77077811.

It is an arithmetic number, because the mean of its divisors is an integer number (202077406278).

Almost surely, 2^{1212002010111} is an apocalyptic number.

1212002010111 is a deficient number, since it is larger than the sum of its proper divisors (404617240113).

1212002010111 is a wasteful number, since it uses less digits than its factorization.

1212002010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154142521.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1212002010111 its reverse (1110102002121), we get a palindrome (2322104012232).

It can be divided in two parts, 1212002010 and 111, that added together give a palindrome (1212002121).

The spelling of 1212002010111 in words is "one trillion, two hundred twelve billion, two million, ten thousand, one hundred eleven".