11010021312 has 56 divisors (see below), whose sum is σ = 29419155792. Its totient is φ = 3633664000.

The previous prime is 11010021299. The next prime is 11010021313. The reversal of 11010021312 is 21312001011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010021313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264489 + ... + 303272.

Almost surely, 2^11010021312 is an apocalyptic number.

11010021312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11010021312 is an abundant number, since it is smaller than the sum of its proper divisors (18409134480).

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

11010021312 is a wasteful number, since it uses less digits than its factorization.

11010021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567877 (or 567867 counting only the distinct ones).

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

Adding to 11010021312 its reverse (21312001011), we get a palindrome (32322022323).

The spelling of 11010021312 in words is "eleven billion, ten million, twenty-one thousand, three hundred twelve".