1011213012139 has 64 divisors (see below), whose sum is σ = 1189976832000. Its totient is φ = 849632716800.

The previous prime is 1011213012113. The next prime is 1011213012157. The reversal of 1011213012139 is 9312103121101.

It is a cyclic number.

It is not a de Polignac number, because 1011213012139 - 2¹¹ = 1011213010091 is a prime.

It is a super-2 number, since 2×1011213012139² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011213012739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 638794542 + ... + 638796124.

It is an arithmetic number, because the mean of its divisors is an integer number (18593388000).

Almost surely, 2^{1011213012139} is an apocalyptic number.

1011213012139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1011213012139 is a deficient number, since it is larger than the sum of its proper divisors (178763819861).

1011213012139 is a wasteful number, since it uses less digits than its factorization.

1011213012139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 1011213012139 in words is "one trillion, eleven billion, two hundred thirteen million, twelve thousand, one hundred thirty-nine".