211213038772 has 24 divisors (see below), whose sum is σ = 374857882560. Its totient is φ = 104111017920.

The previous prime is 211213038769. The next prime is 211213038787. The reversal of 211213038772 is 277830312112.

It is a super-2 number, since 2×211213038772² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5484448 + ... + 5522824.

It is an arithmetic number, because the mean of its divisors is an integer number (15619078440).

Almost surely, 2^211213038772 is an apocalyptic number.

It is an amenable number.

211213038772 is a deficient number, since it is larger than the sum of its proper divisors (163644843788).

211213038772 is a wasteful number, since it uses less digits than its factorization.

211213038772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57831 (or 57829 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 211213038772 in words is "two hundred eleven billion, two hundred thirteen million, thirty-eight thousand, seven hundred seventy-two".