212011012040 has 64 divisors (see below), whose sum is σ = 477989406720. Its totient is φ = 84633120000.

The previous prime is 212011012033. The next prime is 212011012127. The reversal of 212011012040 is 40210110212.

It is a happy number.

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, 51569585 + ... + 51573695.

It is an arithmetic number, because the mean of its divisors is an integer number (7468584480).

Almost surely, 2^212011012040 is an apocalyptic number.

212011012040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011012040 is an abundant number, since it is smaller than the sum of its proper divisors (265978394680).

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

212011012040 is a wasteful number, since it uses less digits than its factorization.

212011012040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6414 (or 6410 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212011012040 its reverse (40210110212), we get a palindrome (252221122252).

The spelling of 212011012040 in words is "two hundred twelve billion, eleven million, twelve thousand, forty".