1212210201005 has 32 divisors (see below), whose sum is σ = 1602268905600. Its totient is φ = 877031131392.

The previous prime is 1212210200933. The next prime is 1212210201019. The reversal of 1212210201005 is 5001020122121.

It is a cyclic number.

It is not a de Polignac number, because 1212210201005 - 2²⁸ = 1211941765549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3067175 + ... + 3439764.

It is an arithmetic number, because the mean of its divisors is an integer number (50070903300).

Almost surely, 2^{1212210201005} is an apocalyptic number.

It is an amenable number.

1212210201005 is a deficient number, since it is larger than the sum of its proper divisors (390058704595).

1212210201005 is a wasteful number, since it uses less digits than its factorization.

1212210201005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6507053.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 1212210201005 its reverse (5001020122121), we get a palindrome (6213230323126).

The spelling of 1212210201005 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred one thousand, five".