201212020011 has 32 divisors (see below), whose sum is σ = 277989715008. Its totient is φ = 129356697600.

The previous prime is 201212020007. The next prime is 201212020027. The reversal of 201212020011 is 110020212102.

It is not a de Polignac number, because 201212020011 - 2² = 201212020007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201212020081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6973831 + ... + 7002623.

It is an arithmetic number, because the mean of its divisors is an integer number (8687178594).

Almost surely, 2^201212020011 is an apocalyptic number.

201212020011 is a deficient number, since it is larger than the sum of its proper divisors (76777694997).

201212020011 is a wasteful number, since it uses less digits than its factorization.

201212020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29391.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201212020011 its reverse (110020212102), we get a palindrome (311232232113).

It can be divided in two parts, 201 and 212020011, that added together give a palindrome (212020212).

The spelling of 201212020011 in words is "two hundred one billion, two hundred twelve million, twenty thousand, eleven".