211212212001002 has 4 divisors (see below), whose sum is σ = 316818318001506. Its totient is φ = 105606106000500.

The previous prime is 211212212000983. The next prime is 211212212001053. The reversal of 211212212001002 is 200100212212112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 210385132706281 + 827079294721 = 14504659^2 + 909439^2 .

It is a super-2 number, since 2×211212212001002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52803053000249 + ... + 52803053000252.

Almost surely, 2^{211212212001002} is an apocalyptic number.

211212212001002 is a deficient number, since it is larger than the sum of its proper divisors (105606106000504).

211212212001002 is a wasteful number, since it uses less digits than its factorization.

211212212001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105606106000503.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211212212001002 its reverse (200100212212112), we get a palindrome (411312424213114).

The spelling of 211212212001002 in words is "two hundred eleven trillion, two hundred twelve billion, two hundred twelve million, one thousand, two".