10212051154639 has 2 divisors, whose sum is σ = 10212051154640. Its totient is φ = 10212051154638.

The previous prime is 10212051154631. The next prime is 10212051154663. The reversal of 10212051154639 is 93645115021201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10212051154639 - 2³ = 10212051154631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212051154631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106025577319 + 5106025577320.

It is an arithmetic number, because the mean of its divisors is an integer number (5106025577320).

Almost surely, 2^{10212051154639} is an apocalyptic number.

10212051154639 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212051154639 is an equidigital number, since it uses as much as digits as its factorization.

10212051154639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 10212051154639 in words is "ten trillion, two hundred twelve billion, fifty-one million, one hundred fifty-four thousand, six hundred thirty-nine".