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1202201220000 = 253541117310529
BaseRepresentation
bin10001011111101000110…
…001101101001110100000
311020221002110200200011010
4101133220301231032200
5124144102003020000
62320141132220520
7152566444523034
oct21375061551640
94227073620133
101202201220000
1142393a27a280
12174bb290a740
13894a0655751
1442288a021c4
1521413098d50
hex117e8c6d3a0

1202201220000 has 480 divisors, whose sum is σ = 4327234591680. Its totient is φ = 289730560000.

The previous prime is 1202201219993. The next prime is 1202201220013. The reversal of 1202201220000 is 221022021.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 114174736 + ... + 114185264.

It is an arithmetic number, because the mean of its divisors is an integer number (9015072066).

Almost surely, 21202201220000 is an apocalyptic number.

1202201220000 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 1202201220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2163617295840).

1202201220000 is an abundant number, since it is smaller than the sum of its proper divisors (3125033371680).

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

1202201220000 is a wasteful number, since it uses less digits than its factorization.

1202201220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746 (or 10723 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1202201220000 its reverse (221022021), we get a palindrome (1202422242021).

The spelling of 1202201220000 in words is "one trillion, two hundred two billion, two hundred one million, two hundred twenty thousand".