201001011212 has 6 divisors (see below), whose sum is σ = 351751769628. Its totient is φ = 100500505604.

The previous prime is 201001011199. The next prime is 201001011217. The reversal of 201001011212 is 212110100102.

It is a junction number, because it is equal to n+sod(n) for n = 201001011193 and 201001011202.

It is not an unprimeable number, because it can be changed into a prime (201001011217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25125126398 + ... + 25125126405.

It is an arithmetic number, because the mean of its divisors is an integer number (58625294938).

Almost surely, 2^201001011212 is an apocalyptic number.

It is an amenable number.

201001011212 is a deficient number, since it is larger than the sum of its proper divisors (150750758416).

201001011212 is a wasteful number, since it uses less digits than its factorization.

201001011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50250252807 (or 50250252805 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201001011212 its reverse (212110100102), we get a palindrome (413111111314).

The spelling of 201001011212 in words is "two hundred one billion, one million, eleven thousand, two hundred twelve".