211203312144 has 80 divisors (see below), whose sum is σ = 599753113344. Its totient is φ = 63512425600.

The previous prime is 211203312121. The next prime is 211203312193. The reversal of 211203312144 is 441213302112.

It is a super-3 number, since 3×211203312144³ (a number of 35 digits) contains 333 as substring.

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

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, 1457574 + ... + 1595909.

Almost surely, 2^211203312144 is an apocalyptic number.

211203312144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

211203312144 is an abundant number, since it is smaller than the sum of its proper divisors (388549801200).

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

211203312144 is a wasteful number, since it uses less digits than its factorization.

211203312144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053636 (or 3053630 counting only the distinct ones).

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

Adding to 211203312144 its reverse (441213302112), we get a palindrome (652416614256).

The spelling of 211203312144 in words is "two hundred eleven billion, two hundred three million, three hundred twelve thousand, one hundred forty-four".