212141144040 has 128 divisors (see below), whose sum is σ = 735513696000. Its totient is φ = 47944562688.

The previous prime is 212141143987. The next prime is 212141144051. The reversal of 212141144040 is 40441141212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212141144040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1344055 + ... + 1493574.

It is an arithmetic number, because the mean of its divisors is an integer number (5746200750).

Almost surely, 2^212141144040 is an apocalyptic number.

212141144040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212141144040 is an abundant number, since it is smaller than the sum of its proper divisors (523372551960).

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

212141144040 is a wasteful number, since it uses less digits than its factorization.

212141144040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837739 (or 2837735 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 212141144040 its reverse (40441141212), we get a palindrome (252582285252).

The spelling of 212141144040 in words is "two hundred twelve billion, one hundred forty-one million, one hundred forty-four thousand, forty".