211212001022 has 16 divisors (see below), whose sum is σ = 345633750000. Its totient is φ = 96001535040.

The previous prime is 211212001009. The next prime is 211212001097. The reversal of 211212001022 is 220100212112.

It is a super-2 number, since 2×211212001022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211212000988 and 211212001006.

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, 394604 + ... + 760352.

It is an arithmetic number, because the mean of its divisors is an integer number (21602109375).

Almost surely, 2^211212001022 is an apocalyptic number.

211212001022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211212001022 is a deficient number, since it is larger than the sum of its proper divisors (134421748978).

211212001022 is a wasteful number, since it uses less digits than its factorization.

211212001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392011.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211212001022 its reverse (220100212112), we get a palindrome (431312213134).

The spelling of 211212001022 in words is "two hundred eleven billion, two hundred twelve million, one thousand, twenty-two".