201001212112 has 10 divisors (see below), whose sum is σ = 389439848498. Its totient is φ = 100500606048.

The previous prime is 201001212103. The next prime is 201001212131. The reversal of 201001212112 is 211212100102.

It can be written as a sum of positive squares in only one way, i.e., 104008830016 + 96992382096 = 322504^2 + 311436^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201001212092 and 201001212101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6281287863 + ... + 6281287894.

Almost surely, 2^201001212112 is an apocalyptic number.

It is an amenable number.

201001212112 is a deficient number, since it is larger than the sum of its proper divisors (188438636386).

201001212112 is a wasteful number, since it uses less digits than its factorization.

201001212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562575765 (or 12562575759 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201001212112 its reverse (211212100102), we get a palindrome (412213312214).

The spelling of 201001212112 in words is "two hundred one billion, one million, two hundred twelve thousand, one hundred twelve".