1201012001211 has 16 divisors (see below), whose sum is σ = 1748733136128. Its totient is φ = 727133316000.

The previous prime is 1201012001207. The next prime is 1201012001227. The reversal of 1201012001211 is 1121002101021.

It is not a de Polignac number, because 1201012001211 - 2² = 1201012001207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201012001261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18786240 + ... + 18850061.

It is an arithmetic number, because the mean of its divisors is an integer number (109295821008).

Almost surely, 2^{1201012001211} is an apocalyptic number.

1201012001211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201012001211 is a deficient number, since it is larger than the sum of its proper divisors (547721134917).

1201012001211 is a wasteful number, since it uses less digits than its factorization.

1201012001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37637282.

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

Adding to 1201012001211 its reverse (1121002101021), we get a palindrome (2322014102232).

The spelling of 1201012001211 in words is "one trillion, two hundred one billion, twelve million, one thousand, two hundred eleven".