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202012202011122 = 23245724557768297
BaseRepresentation
bin101101111011101010100001…
…100010101000100111110010
3222111021011210200201022001100
4231323222201202220213302
5202434231442203323442
61553351042513545230
760356620454231166
oct5573524142504762
9874234720638040
10202012202011122
1159404991651748
121a7a7399875216
138894890797579
1437c562ac78ca6
151854c033e284c
hexb7baa18a89f2

202012202011122 has 24 divisors (see below), whose sum is σ = 438650857338876. Its totient is φ = 67190054057856.

The previous prime is 202012202011099. The next prime is 202012202011261. The reversal of 202012202011122 is 221110202210202.

It is a happy number.

202012202011122 is a `hidden beast` number, since 20 + 201 + 220 + 201 + 1 + 1 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 178403010984081 + 23609191027041 = 13356759^2 + 4858929^2 .

It is a super-2 number, since 2×2020122020111222 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202012202011095 and 202012202011104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12278875923 + ... + 12278892374.

Almost surely, 2202012202011122 is an apocalyptic number.

202012202011122 is an abundant number, since it is smaller than the sum of its proper divisors (236638655327754).

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

202012202011122 is a wasteful number, since it uses less digits than its factorization.

202012202011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24557768762 (or 24557768759 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202012202011122 its reverse (221110202210202), we get a palindrome (423122404221324).

The spelling of 202012202011122 in words is "two hundred two trillion, twelve billion, two hundred two million, eleven thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 457 914 1371 2742 4113 8226 24557768297 49115536594 73673304891 147346609782 221019914673 442039829346 11222900111729 22445800223458 33668700335187 67337400670374 101006101005561 202012202011122