211404012292 has 24 divisors (see below), whose sum is σ = 403661522880. Its totient is φ = 96075579360.

The previous prime is 211404012251. The next prime is 211404012293. The reversal of 211404012292 is 292210404112.

It is a self number, because there is not a number n which added to its sum of digits gives 211404012292.

It is not an unprimeable number, because it can be changed into a prime (211404012293) 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, 177903 + ... + 674134.

It is an arithmetic number, because the mean of its divisors is an integer number (16819230120).

Almost surely, 2^211404012292 is an apocalyptic number.

211404012292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211404012292 is a deficient number, since it is larger than the sum of its proper divisors (192257510588).

211404012292 is a wasteful number, since it uses less digits than its factorization.

211404012292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857691 (or 857689 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 211404012292 in words is "two hundred eleven billion, four hundred four million, twelve thousand, two hundred ninety-two".