1283046221652 has 96 divisors (see below), whose sum is σ = 3593385129600. Its totient is φ = 352005046272.

The previous prime is 1283046221573. The next prime is 1283046221657. The reversal of 1283046221652 is 2561226403821.

It is a super-2 number, since 2×1283046221652² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283046221657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12681277 + ... + 12782052.

It is an arithmetic number, because the mean of its divisors is an integer number (37431095100).

Almost surely, 2^{1283046221652} is an apocalyptic number.

1283046221652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1283046221652 is an abundant number, since it is smaller than the sum of its proper divisors (2310338907948).

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

1283046221652 is a wasteful number, since it uses less digits than its factorization.

1283046221652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25463385 (or 25463383 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 1283046221652 in words is "one trillion, two hundred eighty-three billion, forty-six million, two hundred twenty-one thousand, six hundred fifty-two".