212040532 has 24 divisors (see below), whose sum is σ = 426111840. Its totient is φ = 91308960.

The previous prime is 212040529. The next prime is 212040539. The reversal of 212040532 is 235040212.

It is a super-2 number, since 2×212040532² = 89922374421686048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212040539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125983 + ... + 127654.

It is an arithmetic number, because the mean of its divisors is an integer number (17754660).

Almost surely, 2^212040532 is an apocalyptic number.

212040532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212040532 is an abundant number, since it is smaller than the sum of its proper divisors (214071308).

212040532 is a wasteful number, since it uses less digits than its factorization.

212040532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253671 (or 253669 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 212040532 is about 14561.6115866342. The cubic root of 212040532 is about 596.3111935811.

Adding to 212040532 its reverse (235040212), we get a palindrome (447080744).

The spelling of 212040532 in words is "two hundred twelve million, forty thousand, five hundred thirty-two".