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1302112401312 = 253171983950051
BaseRepresentation
bin10010111100101011111…
…100100111011110100000
311121110222110012120001210
4102330223330213132200
5132313211233320222
62434103203430120
7163034362535652
oct22745374473640
94543873176053
101302112401312
1146224a5605a8
12190436985340
1395a33937b48
1447045d426d2
1523d0e5dbd0c
hex12f2bf277a0

1302112401312 has 192 divisors, whose sum is σ = 3814202649600. Its totient is φ = 386536550400.

The previous prime is 1302112401281. The next prime is 1302112401367. The reversal of 1302112401312 is 2131042112031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25990687 + ... + 26040737.

It is an arithmetic number, because the mean of its divisors is an integer number (19865638800).

Almost surely, 21302112401312 is an apocalyptic number.

1302112401312 is a gapful number since it is divisible by the number (12) 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 1302112401312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1907101324800).

1302112401312 is an abundant number, since it is smaller than the sum of its proper divisors (2512090248288).

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

1302112401312 is a wasteful number, since it uses less digits than its factorization.

1302112401312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50939 (or 50931 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1302112401312 its reverse (2131042112031), we get a palindrome (3433154513343).

The spelling of 1302112401312 in words is "one trillion, three hundred two billion, one hundred twelve million, four hundred one thousand, three hundred twelve".