1011201212 has 12 divisors (see below), whose sum is σ = 2022402480. Its totient is φ = 433371936.

The previous prime is 1011201211. The next prime is 1011201227. The reversal of 1011201212 is 2121021101.

1011201212 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1011201193 and 1011201202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011201211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18057137 + ... + 18057192.

It is an arithmetic number, because the mean of its divisors is an integer number (168533540).

Almost surely, 2^1011201212 is an apocalyptic number.

It is an amenable number.

1011201212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011201212 is a wasteful number, since it uses less digits than its factorization.

1011201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36114340 (or 36114338 counting only the distinct ones).

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

The square root of 1011201212 is about 31799.3901199378. The cubic root of 1011201212 is about 1003.7198826484.

Adding to 1011201212 its reverse (2121021101), we get a palindrome (3132222313).

The spelling of 1011201212 in words is "one billion, eleven million, two hundred one thousand, two hundred twelve".