11023211232012 has 48 divisors (see below), whose sum is σ = 29395404605952. Its totient is φ = 3149470210560.

The previous prime is 11023211231959. The next prime is 11023211232043. The reversal of 11023211232012 is 21023211232011.

It is a super-2 number, since 2×11023211232012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11023211232012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20378812 + ... + 20912732.

It is an arithmetic number, because the mean of its divisors is an integer number (612404262624).

Almost surely, 2^{11023211232012} is an apocalyptic number.

11023211232012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11023211232012 is an abundant number, since it is smaller than the sum of its proper divisors (18372193373940).

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

11023211232012 is a wasteful number, since it uses less digits than its factorization.

11023211232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779718 (or 779716 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11023211232012 its reverse (21023211232011), we get a palindrome (32046422464023).

Subtracting 11023211232012 from its reverse (21023211232011), we obtain a palindrome (9999999999999).

The spelling of 11023211232012 in words is "eleven trillion, twenty-three billion, two hundred eleven million, two hundred thirty-two thousand, twelve".