102142612994 has 16 divisors (see below), whose sum is σ = 157440241728. Its totient is φ = 49664030832.

The previous prime is 102142612991. The next prime is 102142612997. The reversal of 102142612994 is 499216241201.

It is an interprime number because it is at equal distance from previous prime (102142612991) and next prime (102142612997).

It is a super-2 number, since 2×102142612994² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102142612991) 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, 236984 + ... + 510339.

It is an arithmetic number, because the mean of its divisors is an integer number (9840015108).

Almost surely, 2^102142612994 is an apocalyptic number.

102142612994 is a deficient number, since it is larger than the sum of its proper divisors (55297628734).

102142612994 is a wasteful number, since it uses less digits than its factorization.

102142612994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749209.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 102142612994 in words is "one hundred two billion, one hundred forty-two million, six hundred twelve thousand, nine hundred ninety-four".