1262512063228 has 384 divisors, whose sum is σ = 2828722176000. Its totient is φ = 488099082240.

The previous prime is 1262512063207. The next prime is 1262512063229. The reversal of 1262512063228 is 8223602152621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1262512063229) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5282477133 + ... + 5282477371.

It is an arithmetic number, because the mean of its divisors is an integer number (7366464000).

Almost surely, 2^{1262512063228} is an apocalyptic number.

It is an amenable number.

1262512063228 is an abundant number, since it is smaller than the sum of its proper divisors (1566210112772).

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

1262512063228 is a wasteful number, since it uses less digits than its factorization.

1262512063228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 1262512063228 in words is "one trillion, two hundred sixty-two billion, five hundred twelve million, sixty-three thousand, two hundred twenty-eight".