212405040150 has 48 divisors (see below), whose sum is σ = 527662102464. Its totient is φ = 56544827680.

The previous prime is 212405040101. The next prime is 212405040247. The reversal of 212405040150 is 51040504212.

It is a super-2 number, since 2×212405040150² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212405040150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1118112 + ... + 1294211.

It is an arithmetic number, because the mean of its divisors is an integer number (10992960468).

Almost surely, 2^212405040150 is an apocalyptic number.

212405040150 is an abundant number, since it is smaller than the sum of its proper divisors (315257062314).

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

212405040150 is a wasteful number, since it uses less digits than its factorization.

212405040150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412925 (or 2412920 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 212405040150 its reverse (51040504212), we get a palindrome (263445544362).

The spelling of 212405040150 in words is "two hundred twelve billion, four hundred five million, forty thousand, one hundred fifty".