212001121010012 has 12 divisors (see below), whose sum is σ = 371013504942696. Its totient is φ = 105997262454960.

The previous prime is 212001121009949. The next prime is 212001121010101. The reversal of 212001121010012 is 210010121100212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824367878 + ... + 824625005.

It is an arithmetic number, because the mean of its divisors is an integer number (30917792078558).

Almost surely, 2^{212001121010012} is an apocalyptic number.

It is an amenable number.

212001121010012 is a deficient number, since it is larger than the sum of its proper divisors (159012383932684).

212001121010012 is a wasteful number, since it uses less digits than its factorization.

212001121010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649025028 (or 1649025026 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212001121010012 its reverse (210010121100212), we get a palindrome (422011242110224).

The spelling of 212001121010012 in words is "two hundred twelve trillion, one billion, one hundred twenty-one million, ten thousand, twelve".