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1020121201202 = 253131673109159
BaseRepresentation
bin11101101100000111111…
…01100011101000110010
310121112010000000100112012
432312003331203220302
5113203202011414302
62100345345402522
7133462361066135
oct16660375435062
93545100010465
101020121201202
113636a39071a4
12145858639442
1375273acb05c
143753487c21c
151b807e73a52
hexed83f63a32

1020121201202 has 32 divisors (see below), whose sum is σ = 1573302994560. Its totient is φ = 495874229760.

The previous prime is 1020121201201. The next prime is 1020121201217. The reversal of 1020121201202 is 2021021210201.

It is a super-2 number, since 2×10201212012022 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020121201201) 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, 9290699 + ... + 9399857.

It is an arithmetic number, because the mean of its divisors is an integer number (49165718580).

Almost surely, 21020121201202 is an apocalyptic number.

1020121201202 is a deficient number, since it is larger than the sum of its proper divisors (553181793358).

1020121201202 is a wasteful number, since it uses less digits than its factorization.

1020121201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110018.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020121201202 its reverse (2021021210201), we get a palindrome (3041142411403).

The spelling of 1020121201202 in words is "one trillion, twenty billion, one hundred twenty-one million, two hundred one thousand, two hundred two".

Divisors: 1 2 53 106 131 262 673 1346 6943 13886 35669 71338 88163 109159 176326 218318 4672639 5785427 9345278 11570854 14299829 28599658 73464007 146928014 757890937 1515781874 3893592371 7787184742 9623784917 19247569834 510060600601 1020121201202