121254323142302 has 16 divisors (see below), whose sum is σ = 209704063288032. Its totient is φ = 51506261157120.

The previous prime is 121254323142259. The next prime is 121254323142317. The reversal of 121254323142302 is 203241323452121.

It is a super-2 number, since 2×121254323142302² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38323109399 + ... + 38323112562.

It is an arithmetic number, because the mean of its divisors is an integer number (13106503955502).

Almost surely, 2^{121254323142302} is an apocalyptic number.

121254323142302 is a deficient number, since it is larger than the sum of its proper divisors (88449740145730).

121254323142302 is a wasteful number, since it uses less digits than its factorization.

121254323142302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76646222083.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 121254323142302 its reverse (203241323452121), we get a palindrome (324495646594423).

The spelling of 121254323142302 in words is "one hundred twenty-one trillion, two hundred fifty-four billion, three hundred twenty-three million, one hundred forty-two thousand, three hundred two".