1212022001012 has 6 divisors (see below), whose sum is σ = 2121038501778. Its totient is φ = 606011000504.

The previous prime is 1212022000939. The next prime is 1212022001063. The reversal of 1212022001012 is 2101002202121.

It can be written as a sum of positive squares in only one way, i.e., 1092434678416 + 119587322596 = 1045196^2 + 345814^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151502750123 + ... + 151502750130.

It is an arithmetic number, because the mean of its divisors is an integer number (353506416963).

Almost surely, 2^{1212022001012} is an apocalyptic number.

It is an amenable number.

1212022001012 is a deficient number, since it is larger than the sum of its proper divisors (909016500766).

1212022001012 is a wasteful number, since it uses less digits than its factorization.

1212022001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303005500257 (or 303005500255 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1212022001012 its reverse (2101002202121), we get a palindrome (3313024203133).

The spelling of 1212022001012 in words is "one trillion, two hundred twelve billion, twenty-two million, one thousand, twelve".