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212001111202 = 2972038953597
BaseRepresentation
bin1100010101110001000…
…0000011110010100010
3202021012201111022010111
43011130100003302202
511433134241024302
6241220355321534
721213404466256
oct3053420036242
9667181438114
10212001111202
1181a00111721
12351068b02aa
1316cb77826ca
14a391d0c266
1557abd640d7
hex315c403ca2

212001111202 has 16 divisors (see below), whose sum is σ = 321301786680. Its totient is φ = 104900663808.

The previous prime is 212001111197. The next prime is 212001111221. The reversal of 212001111202 is 202111100212.

It can be written as a sum of positive squares in 4 ways, for example, as 209232141561 + 2768969641 = 457419^2 + 52621^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928668 + ... + 3982264.

Almost surely, 2212001111202 is an apocalyptic number.

212001111202 is a deficient number, since it is larger than the sum of its proper divisors (109300675478).

212001111202 is a wasteful number, since it uses less digits than its factorization.

212001111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74085.

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

Adding to 212001111202 its reverse (202111100212), we get a palindrome (414112211414).

The spelling of 212001111202 in words is "two hundred twelve billion, one million, one hundred eleven thousand, two hundred two".

Divisors: 1 2 97 194 20389 40778 53597 107194 1977733 3955466 5198909 10397818 1092789233 2185578466 106000555601 212001111202