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1202122220001 = 31777225496571
BaseRepresentation
bin10001011111100100000…
…100010110000111100001
311020220212222001001112020
4101133210010112013201
5124143421242020001
62320125231052053
7152564465163243
oct21374404260741
94226788031466
101202122220001
114238a972141a
12174b90371029
138948a1855a1
144227c31a093
152140b191736
hex117e41161e1

1202122220001 has 8 divisors (see below), whose sum is σ = 1603731620064. Its totient is φ = 800963816640.

The previous prime is 1202122219997. The next prime is 1202122220081. The reversal of 1202122220001 is 1000222212021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1202122220001 - 22 = 1202122219997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202122220081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112742955 + ... + 112753616.

It is an arithmetic number, because the mean of its divisors is an integer number (200466452508).

Almost surely, 21202122220001 is an apocalyptic number.

It is an amenable number.

1202122220001 is a deficient number, since it is larger than the sum of its proper divisors (401609400063).

1202122220001 is a wasteful number, since it uses less digits than its factorization.

1202122220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225498351.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1202122220001 its reverse (1000222212021), we get a palindrome (2202344432022).

The spelling of 1202122220001 in words is "one trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty thousand, one".

Divisors: 1 3 1777 5331 225496571 676489713 400707406667 1202122220001