212320020212 has 6 divisors (see below), whose sum is σ = 371560035378. Its totient is φ = 106160010104.

The previous prime is 212320020197. The next prime is 212320020251. The reversal of 212320020212 is 212020023212.

It can be written as a sum of positive squares in only one way, i.e., 190441468816 + 21878551396 = 436396^2 + 147914^2 .

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, 26540002523 + ... + 26540002530.

It is an arithmetic number, because the mean of its divisors is an integer number (61926672563).

Almost surely, 2^212320020212 is an apocalyptic number.

It is an amenable number.

212320020212 is a deficient number, since it is larger than the sum of its proper divisors (159240015166).

212320020212 is a wasteful number, since it uses less digits than its factorization.

212320020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53080005057 (or 53080005055 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212320020212 its reverse (212020023212), we get a palindrome (424340043424).

It can be divided in two parts, 2123200 and 20212, that added together give a palindrome (2143412).

The spelling of 212320020212 in words is "two hundred twelve billion, three hundred twenty million, twenty thousand, two hundred twelve".