212146422150 has 96 divisors (see below), whose sum is σ = 566906715648. Its totient is φ = 52191849600.

The previous prime is 212146422133. The next prime is 212146422179. The reversal of 212146422150 is 51224641212.

It is a super-2 number, since 2×212146422150² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3619377 + ... + 3677523.

It is an arithmetic number, because the mean of its divisors is an integer number (5905278288).

Almost surely, 2^212146422150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212146422150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283453357824).

212146422150 is an abundant number, since it is smaller than the sum of its proper divisors (354760293498).

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

212146422150 is a wasteful number, since it uses less digits than its factorization.

212146422150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60046 (or 60041 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 212146422150 in words is "two hundred twelve billion, one hundred forty-six million, four hundred twenty-two thousand, one hundred fifty".