212011002221012 has 6 divisors (see below), whose sum is σ = 371019253886778. Its totient is φ = 106005501110504.

The previous prime is 212011002220921. The next prime is 212011002221027. The reversal of 212011002221012 is 210122200110212.

It can be written as a sum of positive squares in only one way, i.e., 125925338949316 + 86085663271696 = 11221646^2 + 9278236^2 .

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, 26501375277623 + ... + 26501375277630.

It is an arithmetic number, because the mean of its divisors is an integer number (61836542314463).

Almost surely, 2^{212011002221012} is an apocalyptic number.

It is an amenable number.

212011002221012 is a deficient number, since it is larger than the sum of its proper divisors (159008251665766).

212011002221012 is a wasteful number, since it uses less digits than its factorization.

212011002221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53002750555257 (or 53002750555255 counting only the distinct ones).

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

Adding to 212011002221012 its reverse (210122200110212), we get a palindrome (422133202331224).

The spelling of 212011002221012 in words is "two hundred twelve trillion, eleven billion, two million, two hundred twenty-one thousand, twelve".