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101202012120001 = 13109166942792037
BaseRepresentation
bin10111000000101011101101…
…111110111010001111000001
3111021022211002020011221000011
4113000223231332322033001
5101231043210100320001
6555123321302024521
730213414126446332
oct2700535576721701
9437284066157004
10101202012120001
112a278594568861
12b425765118141
13446140255c7b0
141adc2bc66c289
15ba776ae63d51
hex5c0aedfba3c1

101202012120001 has 16 divisors (see below), whose sum is σ = 110052563328400. Its totient is φ = 92504742398208.

The previous prime is 101202012119963. The next prime is 101202012120067. The reversal of 101202012120001 is 100021210202101.

It can be written as a sum of positive squares in 8 ways, for example, as 3822713190976 + 97379298929025 = 1955176^2 + 9868095^2 .

It is a cyclic number.

It is not a de Polignac number, because 101202012120001 - 245 = 66017640031169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101202012120401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19031046 + ... + 23760991.

It is an arithmetic number, because the mean of its divisors is an integer number (6878285208025).

Almost surely, 2101202012120001 is an apocalyptic number.

It is an amenable number.

101202012120001 is a deficient number, since it is larger than the sum of its proper divisors (8850551208399).

101202012120001 is a wasteful number, since it uses less digits than its factorization.

101202012120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42793828.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101202012120001 its reverse (100021210202101), we get a palindrome (201223222322102).

The spelling of 101202012120001 in words is "one hundred one trillion, two hundred two billion, twelve million, one hundred twenty thousand, one".

Divisors: 1 13 109 1417 1669 21697 181921 2364973 42792037 556296481 4664332033 60636316429 71419909753 928458826789 7784770163077 101202012120001