211001212022012 has 12 divisors (see below), whose sum is σ = 381984952798680. Its totient is φ = 101862654079536.

The previous prime is 211001212022011. The next prime is 211001212022119. The reversal of 211001212022012 is 210220212100112.

It is a super-2 number, since 2×211001212022012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211001212022011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909487982738 + ... + 909487982969.

It is an arithmetic number, because the mean of its divisors is an integer number (31832079399890).

Almost surely, 2^{211001212022012} is an apocalyptic number.

It is an amenable number.

211001212022012 is a deficient number, since it is larger than the sum of its proper divisors (170983740776668).

211001212022012 is a wasteful number, since it uses less digits than its factorization.

211001212022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818975965740 (or 1818975965738 counting only the distinct ones).

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

Adding to 211001212022012 its reverse (210220212100112), we get a palindrome (421221424122124).

The spelling of 211001212022012 in words is "two hundred eleven trillion, one billion, two hundred twelve million, twenty-two thousand, twelve".