121150040343402 has 32 divisors (see below), whose sum is σ = 277013170340352. Its totient is φ = 34601948189424.

The previous prime is 121150040343401. The next prime is 121150040343473. The reversal of 121150040343402 is 204343040051121.

It is a self number, because there is not a number n which added to its sum of digits gives 121150040343402.

It is not an unprimeable number, because it can be changed into a prime (121150040343401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514424688 + ... + 514660139.

It is an arithmetic number, because the mean of its divisors is an integer number (8656661573136).

Almost surely, 2^{121150040343402} is an apocalyptic number.

121150040343402 is an abundant number, since it is smaller than the sum of its proper divisors (155863129996950).

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

121150040343402 is a wasteful number, since it uses less digits than its factorization.

121150040343402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029087642.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 121150040343402 its reverse (204343040051121), we get a palindrome (325493080394523).

The spelling of 121150040343402 in words is "one hundred twenty-one trillion, one hundred fifty billion, forty million, three hundred forty-three thousand, four hundred two".