212155050002 has 24 divisors (see below), whose sum is σ = 370224313344. Its totient is φ = 90914898312.

The previous prime is 212155049983. The next prime is 212155050013. The reversal of 212155050002 is 200050551212.

It is a super-2 number, since 2×212155050002² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212155050002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984623 + ... + 1180589.

It is an arithmetic number, because the mean of its divisors is an integer number (15426013056).

Almost surely, 2^212155050002 is an apocalyptic number.

212155050002 is a deficient number, since it is larger than the sum of its proper divisors (158069263342).

212155050002 is a wasteful number, since it uses less digits than its factorization.

212155050002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207030 (or 207023 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The spelling of 212155050002 in words is "two hundred twelve billion, one hundred fifty-five million, fifty thousand, two".