12011021012212 has 12 divisors (see below), whose sum is σ = 21022588101760. Its totient is φ = 6004567268856.

The previous prime is 12011021012153. The next prime is 12011021012267. The reversal of 12011021012212 is 21221012011021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235780662 + ... + 235831597.

Almost surely, 2^{12011021012212} is an apocalyptic number.

It is an amenable number.

12011021012212 is a deficient number, since it is larger than the sum of its proper divisors (9011567089548).

12011021012212 is a wasteful number, since it uses less digits than its factorization.

12011021012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471618630 (or 471618628 counting only the distinct ones).

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

Adding to 12011021012212 its reverse (21221012011021), we get a palindrome (33232033023233).

The spelling of 12011021012212 in words is "twelve trillion, eleven billion, twenty-one million, twelve thousand, two hundred twelve".