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1210212001002 = 23934321588569
BaseRepresentation
bin10001100111000110010…
…000011010010011101010
311021200202202101111210210
4101213012100122103222
5124312003233013002
62323544055121550
7153302116164504
oct21470620322352
94250682344723
101210212001002
11427280140644
121766696732b6
138a1791a1a54
14428088b4d74
15217314c396c
hex119c641a4ea

1210212001002 has 16 divisors (see below), whose sum is σ = 2420683176960. Its totient is φ = 403360804512.

The previous prime is 1210212000971. The next prime is 1210212001003. The reversal of 1210212001002 is 2001002120121.

It is a super-2 number, since 2×12102120010022 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210212001003) 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, 10738227 + ... + 10850342.

It is an arithmetic number, because the mean of its divisors is an integer number (151292698560).

Almost surely, 21210212001002 is an apocalyptic number.

1210212001002 is an abundant number, since it is smaller than the sum of its proper divisors (1210471175958).

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

1210212001002 is a wasteful number, since it uses less digits than its factorization.

1210212001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21597917.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1210212001002 its reverse (2001002120121), we get a palindrome (3211214121123).

The spelling of 1210212001002 in words is "one trillion, two hundred ten billion, two hundred twelve million, one thousand, two".

Divisors: 1 2 3 6 9343 18686 28029 56058 21588569 43177138 64765707 129531414 201702000167 403404000334 605106000501 1210212001002