1020425251512 has 64 divisors (see below), whose sum is σ = 2578140380160. Its totient is φ = 336536208000.

The previous prime is 1020425251493. The next prime is 1020425251513. The reversal of 1020425251512 is 2151525240201.

It is a super-2 number, since 2×1020425251512² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020425251512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020425251513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3301437 + ... + 3597267.

It is an arithmetic number, because the mean of its divisors is an integer number (40283443440).

Almost surely, 2^{1020425251512} is an apocalyptic number.

1020425251512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020425251512 is an abundant number, since it is smaller than the sum of its proper divisors (1557715128648).

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

1020425251512 is a wasteful number, since it uses less digits than its factorization.

1020425251512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297364 (or 297360 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 1020425251512 in words is "one trillion, twenty billion, four hundred twenty-five million, two hundred fifty-one thousand, five hundred twelve".