1012201101212 has 24 divisors (see below), whose sum is σ = 2058714107520. Its totient is φ = 426447920880.

The previous prime is 1012201101151. The next prime is 1012201101227. The reversal of 1012201101212 is 2121011022101.

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

It is a congruent number.

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, 306354614 + ... + 306357917.

It is an arithmetic number, because the mean of its divisors is an integer number (85779754480).

Almost surely, 2^{1012201101212} is an apocalyptic number.

It is an amenable number.

1012201101212 is an abundant number, since it is smaller than the sum of its proper divisors (1046513006308).

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

1012201101212 is a wasteful number, since it uses less digits than its factorization.

1012201101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612712601 (or 612712599 counting only the distinct ones).

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

Adding to 1012201101212 its reverse (2121011022101), we get a palindrome (3133212123313).

The spelling of 1012201101212 in words is "one trillion, twelve billion, two hundred one million, one hundred one thousand, two hundred twelve".