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121012201323031 = 1132249214761247
BaseRepresentation
bin11011100000111101011001…
…010001011111101000010111
3120212110122122101010220001111
4123200331121101133220113
5111330130442014314111
61105212123212035451
734326562105364434
oct3340753121375027
9525418571126044
10121012201323031
1135615a93957747
12116a4b85462b87
13526a52b488585
1421c5043b3cb8b
15decc12158a21
hex6e0f5945fa17

121012201323031 has 8 divisors (see below), whose sum is σ = 122083674182784. Its totient is φ = 119940738435840.

The previous prime is 121012201323017. The next prime is 121012201323047. The reversal of 121012201323031 is 130323102210121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121012201323031 is a prime.

It is a super-2 number, since 2×1210122013230312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121012201322993 and 121012201323011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012201323001) 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, 23035450 + ... + 27796696.

It is an arithmetic number, because the mean of its divisors is an integer number (15260459272848).

Almost surely, 2121012201323031 is an apocalyptic number.

121012201323031 is a deficient number, since it is larger than the sum of its proper divisors (1071472859753).

121012201323031 is a wasteful number, since it uses less digits than its factorization.

121012201323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986281.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121012201323031 its reverse (130323102210121), we get a palindrome (251335303533152).

The spelling of 121012201323031 in words is "one hundred twenty-one trillion, twelve billion, two hundred one million, three hundred twenty-three thousand, thirty-one".

Divisors: 1 113 224921 4761247 25416073 538020911 1070904436487 121012201323031