201001001212 has 24 divisors (see below), whose sum is σ = 383745301632. Its totient is φ = 91360254000.

The previous prime is 201001001183. The next prime is 201001001237. The reversal of 201001001212 is 212100100102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143433 + ... + 1307455.

It is an arithmetic number, because the mean of its divisors is an integer number (15989387568).

Almost surely, 2^201001001212 is an apocalyptic number.

201001001212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201001001212 is a deficient number, since it is larger than the sum of its proper divisors (182744300420).

201001001212 is a wasteful number, since it uses less digits than its factorization.

201001001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191889 (or 191887 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201001001212 its reverse (212100100102), we get a palindrome (413101101314).

The spelling of 201001001212 in words is "two hundred one billion, one million, one thousand, two hundred twelve".