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1021202201012 = 22754176732787
BaseRepresentation
bin11101101110001000110…
…01001111100110110100
310121121220100002211111012
432313010121033212310
5113212410230413022
62101044523131352
7133531225326110
oct16670431174664
93547810084435
101021202201012
113640a9024374
12145aba673b58
13753b6a58706
14375d8272740
151b86cd04de2
hexedc464f9b4

1021202201012 has 24 divisors (see below), whose sum is σ = 2042781741504. Its totient is φ = 437577227712.

The previous prime is 1021202201011. The next prime is 1021202201023. The reversal of 1021202201012 is 2101022021201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021202201011) 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, 3214718 + ... + 3518069.

It is an arithmetic number, because the mean of its divisors is an integer number (85115905896).

Almost surely, 21021202201012 is an apocalyptic number.

It is an amenable number.

1021202201012 is an abundant number, since it is smaller than the sum of its proper divisors (1021579540492).

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

1021202201012 is a wasteful number, since it uses less digits than its factorization.

1021202201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738215 (or 6738213 counting only the distinct ones).

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

Adding to 1021202201012 its reverse (2101022021201), we get a palindrome (3122224222213).

The spelling of 1021202201012 in words is "one trillion, twenty-one billion, two hundred two million, two hundred one thousand, twelve".

Divisors: 1 2 4 7 14 28 5417 10834 21668 37919 75838 151676 6732787 13465574 26931148 47129509 94259018 188518036 36471507179 72943014358 145886028716 255300550253 510601100506 1021202201012