212001101012 has 6 divisors (see below), whose sum is σ = 371001926778. Its totient is φ = 106000550504.

The previous prime is 212001100973. The next prime is 212001101023. The reversal of 212001101012 is 210101100212.

It can be written as a sum of positive squares in only one way, i.e., 115849013956 + 96152087056 = 340366^2 + 310084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212001100984 and 212001101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26500137623 + ... + 26500137630.

It is an arithmetic number, because the mean of its divisors is an integer number (61833654463).

Almost surely, 2^212001101012 is an apocalyptic number.

It is an amenable number.

212001101012 is a deficient number, since it is larger than the sum of its proper divisors (159000825766).

212001101012 is a wasteful number, since it uses less digits than its factorization.

212001101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53000275257 (or 53000275255 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212001101012 its reverse (210101100212), we get a palindrome (422102201224).

The spelling of 212001101012 in words is "two hundred twelve billion, one million, one hundred one thousand, twelve".