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121213010323202 = 278731991647253
BaseRepresentation
bin11011100011111000011010…
…011011000010011100000010
3120220011211222002201001011012
4123203320122123002130002
5111341423221120320302
61105444253241520522
734350231251621510
oct3343703233023402
9526154862631135
10121213010323202
1135693170346726
1211717a87aa3142
13528345128c075
1421d0a5344d4b0
15e03066631a52
hex6e3e1a6c2702

121213010323202 has 16 divisors (see below), whose sum is σ = 207817531726272. Its totient is φ = 51942483059760.

The previous prime is 121213010323201. The next prime is 121213010323211. The reversal of 121213010323202 is 202323010312121.

121213010323202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1212130103232022 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121213010323201) 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, 495701393 + ... + 495945860.

It is an arithmetic number, because the mean of its divisors is an integer number (12988595732892).

Almost surely, 2121213010323202 is an apocalyptic number.

121213010323202 is a deficient number, since it is larger than the sum of its proper divisors (86604521403070).

121213010323202 is an equidigital number, since it uses as much as digits as its factorization.

121213010323202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991655993.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121213010323202 its reverse (202323010312121), we get a palindrome (323536020635323).

The spelling of 121213010323202 in words is "one hundred twenty-one trillion, two hundred thirteen billion, ten million, three hundred twenty-three thousand, two hundred two".

Divisors: 1 2 7 14 8731 17462 61117 122234 991647253 1983294506 6941530771 13883061542 8658072165943 17316144331886 60606505161601 121213010323202