101011221212012 has 24 divisors (see below), whose sum is σ = 178824752290800. Its totient is φ = 49918872554496.

The previous prime is 101011221211919. The next prime is 101011221212071. The reversal of 101011221212012 is 210212122110101.

It is a super-4 number, since 4×101011221212012⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53789462 + ... + 55635677.

It is an arithmetic number, because the mean of its divisors is an integer number (7451031345450).

Almost surely, 2^{101011221212012} is an apocalyptic number.

It is an amenable number.

101011221212012 is a deficient number, since it is larger than the sum of its proper divisors (77813531078788).

101011221212012 is a wasteful number, since it uses less digits than its factorization.

101011221212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109427825 (or 109427823 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101011221212012 its reverse (210212122110101), we get a palindrome (311223343322113).

The spelling of 101011221212012 in words is "one hundred one trillion, eleven billion, two hundred twenty-one million, two hundred twelve thousand, twelve".