2121012011212 has 12 divisors (see below), whose sum is σ = 3715732361320. Its totient is φ = 1059374193696.

The previous prime is 2121012011197. The next prime is 2121012011243. The reversal of 2121012011212 is 2121102101212.

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, 282948762 + ... + 282956257.

Almost surely, 2^{2121012011212} is an apocalyptic number.

It is an amenable number.

2121012011212 is a deficient number, since it is larger than the sum of its proper divisors (1594720350108).

2121012011212 is a wasteful number, since it uses less digits than its factorization.

2121012011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565905960 (or 565905958 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2121012011212 its reverse (2121102101212), we get a palindrome (4242114112424).

The spelling of 2121012011212 in words is "two trillion, one hundred twenty-one billion, twelve million, eleven thousand, two hundred twelve".