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1202131000201 = 3113865372991
BaseRepresentation
bin10001011111100100100…
…101110101101110001001
311020220220120120010200211
4101133210211311232021
5124143431014001301
62320130143201121
7152564632622425
oct21374445655611
94226816503624
101202131000201
1142390367908a
12174b932a61a1
138948bc3ab81
144227d563b85
152140bd28051
hex117e4975b89

1202131000201 has 4 divisors (see below), whose sum is σ = 1205996373504. Its totient is φ = 1198265626900.

The previous prime is 1202131000183. The next prime is 1202131000211. The reversal of 1202131000201 is 1020001312021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1202131000201 - 211 = 1202130998153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202131000211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1932686185 + ... + 1932686806.

It is an arithmetic number, because the mean of its divisors is an integer number (301499093376).

Almost surely, 21202131000201 is an apocalyptic number.

It is an amenable number.

1202131000201 is a deficient number, since it is larger than the sum of its proper divisors (3865373303).

1202131000201 is an equidigital number, since it uses as much as digits as its factorization.

1202131000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865373302.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1202131000201 its reverse (1020001312021), we get a palindrome (2222132312222).

The spelling of 1202131000201 in words is "one trillion, two hundred two billion, one hundred thirty-one million, two hundred one", and thus it is an aban number.

Divisors: 1 311 3865372991 1202131000201