11001203212 has 12 divisors (see below), whose sum is σ = 19252893016. Its totient is φ = 5500376640.

The previous prime is 11001203141. The next prime is 11001203261. The reversal of 11001203212 is 21230210011.

It is a super-2 number, since 2×11001203212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11001203192 and 11001203201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105412 + ... + 181972.

Almost surely, 2^11001203212 is an apocalyptic number.

It is an amenable number.

11001203212 is a deficient number, since it is larger than the sum of its proper divisors (8251689804).

11001203212 is a wasteful number, since it uses less digits than its factorization.

11001203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112488 (or 112486 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11001203212 its reverse (21230210011), we get a palindrome (32231413223).

The spelling of 11001203212 in words is "eleven billion, one million, two hundred three thousand, two hundred twelve".