11012121042612 has 384 divisors, whose sum is σ = 28819801866240. Its totient is φ = 3257210880000.

The previous prime is 11012121042547. The next prime is 11012121042613. The reversal of 11012121042612 is 21624012121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012121042613) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17451855537 + ... + 17451856167.

It is an arithmetic number, because the mean of its divisors is an integer number (75051567360).

Almost surely, 2^{11012121042612} is an apocalyptic number.

11012121042612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11012121042612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14409900933120).

11012121042612 is an abundant number, since it is smaller than the sum of its proper divisors (17807680823628).

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

11012121042612 is a wasteful number, since it uses less digits than its factorization.

11012121042612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 11012121042612 its reverse (21624012121011), we get a palindrome (32636133163623).

The spelling of 11012121042612 in words is "eleven trillion, twelve billion, one hundred twenty-one million, forty-two thousand, six hundred twelve".