101021001212012 has 24 divisors (see below), whose sum is σ = 202072986074400. Its totient is φ = 43288075451520.

The previous prime is 101021001212009. The next prime is 101021001212039. The reversal of 101021001212012 is 210212100120101.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 276453887 + ... + 276819062.

It is an arithmetic number, because the mean of its divisors is an integer number (8419707753100).

Almost surely, 2^{101021001212012} is an apocalyptic number.

It is an amenable number.

101021001212012 is an abundant number, since it is smaller than the sum of its proper divisors (101051984862388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101021001212012 is a wasteful number, since it uses less digits than its factorization.

101021001212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553279481 (or 553279479 counting only the distinct ones).

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

Adding to 101021001212012 its reverse (210212100120101), we get a palindrome (311233101332113).

The spelling of 101021001212012 in words is "one hundred one trillion, twenty-one billion, one million, two hundred twelve thousand, twelve".