212000031342 has 24 divisors (see below), whose sum is σ = 501090983640. Its totient is φ = 64242433680.

The previous prime is 212000031263. The next prime is 212000031401. The reversal of 212000031342 is 243130000212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535353417 + ... + 535353812.

It is an arithmetic number, because the mean of its divisors is an integer number (20878790985).

Almost surely, 2^212000031342 is an apocalyptic number.

212000031342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212000031342 is an abundant number, since it is smaller than the sum of its proper divisors (289090952298).

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

212000031342 is a wasteful number, since it uses less digits than its factorization.

212000031342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070707248 (or 1070707245 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212000031342 its reverse (243130000212), we get a palindrome (455130031554).

The spelling of 212000031342 in words is "two hundred twelve billion, thirty-one thousand, three hundred forty-two".