1242650962560 has 768 divisors, whose sum is σ = 4981777920000. Its totient is φ = 257357979648.

The previous prime is 1242650962559. The next prime is 1242650962573. The reversal of 1242650962560 is 652690562421.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 135080841 + ... + 135090039.

It is an arithmetic number, because the mean of its divisors is an integer number (6486690000).

Almost surely, 2^{1242650962560} is an apocalyptic number.

1242650962560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242650962560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2490888960000).

1242650962560 is an abundant number, since it is smaller than the sum of its proper divisors (3739126957440).

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

1242650962560 is a wasteful number, since it uses less digits than its factorization.

1242650962560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9293 (or 9258 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 1242650962560 in words is "one trillion, two hundred forty-two billion, six hundred fifty million, nine hundred sixty-two thousand, five hundred sixty".