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10211212012031 is a prime number
BaseRepresentation
bin1001010010010111101110…
…1010100010100111111111
31100011011220220220011101122
42110211323222202213333
52314300030233341111
633414544355301155
72102510232001112
oct224457352424777
940134826804348
1010211212012031
113287606a7a868
12118b0022aa7bb
13590bb42a3934
1427432230c579
1512a93c884cdb
hex9497baa29ff

10211212012031 has 2 divisors, whose sum is σ = 10211212012032. Its totient is φ = 10211212012030.

The previous prime is 10211212011977. The next prime is 10211212012037. The reversal of 10211212012031 is 13021021211201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10211212012031 - 26 = 10211212011967 is a prime.

It is a super-2 number, since 2×102112120120312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211212012037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105606006015 + 5105606006016.

It is an arithmetic number, because the mean of its divisors is an integer number (5105606006016).

Almost surely, 210211212012031 is an apocalyptic number.

10211212012031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211212012031 is an equidigital number, since it uses as much as digits as its factorization.

10211212012031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10211212012031 its reverse (13021021211201), we get a palindrome (23232233223232).

The spelling of 10211212012031 in words is "ten trillion, two hundred eleven billion, two hundred twelve million, twelve thousand, thirty-one".