211123212432 has 80 divisors (see below), whose sum is σ = 629982660672. Its totient is φ = 60213391360.

The previous prime is 211123212383. The next prime is 211123212463. The reversal of 211123212432 is 234212321112.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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, 11751453 + ... + 11769404.

Almost surely, 2^211123212432 is an apocalyptic number.

211123212432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211123212432 is an abundant number, since it is smaller than the sum of its proper divisors (418859448240).

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

211123212432 is a wasteful number, since it uses less digits than its factorization.

211123212432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23520896 (or 23520890 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 211123212432 its reverse (234212321112), we get a palindrome (445335533544).

The spelling of 211123212432 in words is "two hundred eleven billion, one hundred twenty-three million, two hundred twelve thousand, four hundred thirty-two".