11212002012 has 12 divisors (see below), whose sum is σ = 26161338056. Its totient is φ = 3737334000.

The previous prime is 11212002007. The next prime is 11212002023. The reversal of 11212002012 is 21020021211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 934333501 = 11212002012 / (1 + 1 + 2 + 1 + 2 + 0 + 0 + 2 + 0 + 1 + 2).

It is a congruent number.

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, 467166739 + ... + 467166762.

Almost surely, 2^11212002012 is an apocalyptic number.

11212002012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212002012 is an abundant number, since it is smaller than the sum of its proper divisors (14949336044).

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

11212002012 is a wasteful number, since it uses less digits than its factorization.

11212002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934333508 (or 934333506 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11212002012 its reverse (21020021211), we get a palindrome (32232023223).

The spelling of 11212002012 in words is "eleven billion, two hundred twelve million, two thousand, twelve".