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1202102000000 = 275611101541
BaseRepresentation
bin10001011111100010110…
…111001101100110000000
311020220211112222202220022
4101133202313031212000
5124143401103000000
62320123225433012
7152564131256636
oct21374267154600
94226745882808
101202102000000
11423899270880
12174b8563b768
1389485c25ca5
1442279775356
15214094ea585
hex117e2dcd980

1202102000000 has 448 divisors, whose sum is σ = 3304040520240. Its totient is φ = 432000000000.

The previous prime is 1202101999999. The next prime is 1202102000003. The reversal of 1202102000000 is 2012021.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202102000003) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2221999730 + ... + 2222000270.

Almost surely, 21202102000000 is an apocalyptic number.

1202102000000 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 1202102000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1652020260120).

1202102000000 is an abundant number, since it is smaller than the sum of its proper divisors (2101938520240).

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

1202102000000 is an frugal number, since it uses more digits than its factorization.

1202102000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1202102000000 its reverse (2012021), we get a palindrome (1202104012021).

The spelling of 1202102000000 in words is "one trillion, two hundred two billion, one hundred two million", and thus it is an aban number.