11345854212 has 144 divisors (see below), whose sum is σ = 36159177600. Its totient is φ = 2913799680.

The previous prime is 11345854211. The next prime is 11345854243. The reversal of 11345854212 is 21245854311.

11345854212 is a `hidden beast` number, since 1 + 1 + 34 + 585 + 42 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11345854211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223714 + ... + 269702.

It is an arithmetic number, because the mean of its divisors is an integer number (251105400).

Almost surely, 2^11345854212 is an apocalyptic number.

11345854212 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 11345854212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18079588800).

11345854212 is an abundant number, since it is smaller than the sum of its proper divisors (24813323388).

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

11345854212 is a wasteful number, since it uses less digits than its factorization.

11345854212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46106 (or 46101 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

Subtracting 11345854212 from its reverse (21245854311), we obtain a palindrome (9900000099).

The spelling of 11345854212 in words is "eleven billion, three hundred forty-five million, eight hundred fifty-four thousand, two hundred twelve".