212011411302440 has 64 divisors (see below), whose sum is σ = 477981255346560. Its totient is φ = 84634801655040.

The previous prime is 212011411302389. The next prime is 212011411302473. The reversal of 212011411302440 is 44203114110212.

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, 55693205 + ... + 59378075.

It is an arithmetic number, because the mean of its divisors is an integer number (7468457114790).

Almost surely, 2^{212011411302440} is an apocalyptic number.

212011411302440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011411302440 is an abundant number, since it is smaller than the sum of its proper divisors (265969844044120).

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

212011411302440 is a wasteful number, since it uses less digits than its factorization.

212011411302440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687762 (or 3687758 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 212011411302440 its reverse (44203114110212), we get a palindrome (256214525412652).

The spelling of 212011411302440 in words is "two hundred twelve trillion, eleven billion, four hundred eleven million, three hundred two thousand, four hundred forty".