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1002121102012 = 22388727644489
BaseRepresentation
bin11101001010100110001…
…00101000001010111100
310112210122112122120102211
432211103010220022330
5112404321000231022
62044211301030204
7132254331551632
oct16452304501274
93483575576384
101002121102012
11356aa7267268
121422743b5364
13736658645a4
1436708027352
151b102a9ae77
hexe9531282bc

1002121102012 has 12 divisors (see below), whose sum is σ = 1753719161040. Its totient is φ = 501058484576.

The previous prime is 1002121101997. The next prime is 1002121102051. The reversal of 1002121102012 is 2102011212001.

It is a junction number, because it is equal to n+sod(n) for n = 1002121101983 and 1002121102001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232664 + ... + 1877152.

It is an arithmetic number, because the mean of its divisors is an integer number (146143263420).

Almost surely, 21002121102012 is an apocalyptic number.

It is an amenable number.

1002121102012 is a deficient number, since it is larger than the sum of its proper divisors (751598059028).

1002121102012 is a wasteful number, since it uses less digits than its factorization.

1002121102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033220 (or 1033218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002121102012 its reverse (2102011212001), we get a palindrome (3104132314013).

The spelling of 1002121102012 in words is "one trillion, two billion, one hundred twenty-one million, one hundred two thousand, twelve".

Divisors: 1 2 4 388727 644489 777454 1288978 1554908 2577956 250530275503 501060551006 1002121102012