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121202012022 = 23713221981707
BaseRepresentation
bin111000011100000110…
…0111110111101110110
3102120211202222011000020
41300320030332331312
53441210203341042
6131402431430010
711520333050430
oct1607014767566
9376752864006
10121202012022
1147446415593
121b5a6385306
13b5772345a0
145c1ac3b650
15324578c3ec
hex1c3833ef76

121202012022 has 32 divisors (see below), whose sum is σ = 298343415552. Its totient is φ = 31965365664.

The previous prime is 121202011999. The next prime is 121202012039. The reversal of 121202012022 is 220210202121.

It is a junction number, because it is equal to n+sod(n) for n = 121202011992 and 121202012010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110990308 + ... + 110991399.

It is an arithmetic number, because the mean of its divisors is an integer number (9323231736).

Almost surely, 2121202012022 is an apocalyptic number.

121202012022 is an abundant number, since it is smaller than the sum of its proper divisors (177141403530).

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

121202012022 is a wasteful number, since it uses less digits than its factorization.

121202012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221981732.

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

Adding to 121202012022 its reverse (220210202121), we get a palindrome (341412214143).

The spelling of 121202012022 in words is "one hundred twenty-one billion, two hundred two million, twelve thousand, twenty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 221981707 443963414 665945121 1331890242 1553871949 2885762191 3107743898 4661615847 5771524382 8657286573 9323231694 17314573146 20200335337 40400670674 60601006011 121202012022