212401222104212 has 6 divisors (see below), whose sum is σ = 371702138682378. Its totient is φ = 106200611052104.

The previous prime is 212401222104199. The next prime is 212401222104263.

212401222104212 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 189527921083396 + 22873301020816 = 13766914^2 + 4782604^2 .

It is a super-2 number, since 2×212401222104212² (a number of 29 digits) contains 22 as substring.

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, 26550152763023 + ... + 26550152763030.

It is an arithmetic number, because the mean of its divisors is an integer number (61950356447063).

Almost surely, 2^{212401222104212} is an apocalyptic number.

It is an amenable number.

212401222104212 is a deficient number, since it is larger than the sum of its proper divisors (159300916578166).

212401222104212 is a wasteful number, since it uses less digits than its factorization.

212401222104212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53100305526057 (or 53100305526055 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The spelling of 212401222104212 in words is "two hundred twelve trillion, four hundred one billion, two hundred twenty-two million, one hundred four thousand, two hundred twelve".