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1012222020102 = 231187142126091
BaseRepresentation
bin11101011101011010010…
…00100100101000000110
310120202201111022101011020
432232231020210220012
5113041012314120402
62053001450452010
7133062543131466
oct16565510445006
93522644271136
101012222020102
1136030aa3a557
12144213134006
13745b54273b7
1436dc5739ba6
151b4e47408bc
hexebad224a06

1012222020102 has 16 divisors (see below), whose sum is σ = 2026149567552. Its totient is φ = 337123085480.

The previous prime is 1012222020091. The next prime is 1012222020109. The reversal of 1012222020102 is 2010202222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012222020109) 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, 71055924 + ... + 71070167.

It is an arithmetic number, because the mean of its divisors is an integer number (126634347972).

Almost surely, 21012222020102 is an apocalyptic number.

1012222020102 is an abundant number, since it is smaller than the sum of its proper divisors (1013927547450).

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

1012222020102 is a wasteful number, since it uses less digits than its factorization.

1012222020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142127283.

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

Adding to 1012222020102 its reverse (2010202222101), we get a palindrome (3022424242203).

The spelling of 1012222020102 in words is "one trillion, twelve billion, two hundred twenty-two million, twenty thousand, one hundred two".

Divisors: 1 2 3 6 1187 2374 3561 7122 142126091 284252182 426378273 852756546 168703670017 337407340034 506111010051 1012222020102