212909926950 has 1152 divisors, whose sum is σ = 763796352000. Its totient is φ = 43528181760.

The previous prime is 212909926921. The next prime is 212909927011. The reversal of 212909926950 is 59629909212.

212909926950 is a `hidden beast` number, since 2 + 1 + 290 + 99 + 269 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 4951393629 + ... + 4951393671.

Almost surely, 2^212909926950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212909926950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381898176000).

212909926950 is an abundant number, since it is smaller than the sum of its proper divisors (550886425050).

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

212909926950 is a wasteful number, since it uses less digits than its factorization.

212909926950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The spelling of 212909926950 in words is "two hundred twelve billion, nine hundred nine million, nine hundred twenty-six thousand, nine hundred fifty".