2631026121042 has 32 divisors (see below), whose sum is σ = 5743556020224. Its totient is φ = 796845171600.

The previous prime is 2631026121029. The next prime is 2631026121103. The reversal of 2631026121042 is 2401216201362.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10765018 + ... + 11006709.

It is an arithmetic number, because the mean of its divisors is an integer number (179486125632).

Almost surely, 2^{2631026121042} is an apocalyptic number.

2631026121042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2631026121042 is an abundant number, since it is smaller than the sum of its proper divisors (3112529899182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2631026121042 is a wasteful number, since it uses less digits than its factorization.

2631026121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21773574.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 2631026121042 in words is "two trillion, six hundred thirty-one billion, twenty-six million, one hundred twenty-one thousand, forty-two".